HEAD SHOTS

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• Archive #1: 1H2012

• Archive #2: 2H2012

Jason Carter's XL1200 Heads

HAMMER PERFORMANCE "CRUSH" CNC porting service
HAMMER PERFORMANCE Bolt-On 1250 Kit with 30 degree reverse dome pistons
HAMMER PERFORMANCE "IMPACT 560" cams

Mark Roberts' Buell Thunderstorm Heads

HAMMER PERFORMANCE "SMASH" CNC porting service
HAMMER PERFORMANCE Bolt-On 1250 Kit with 30 degree reverse dome pistons
HAMMER PERFORMANCE "IMPACT 560" cams

Michael Mar's Buell Thunderstorm Heads

HAMMER PERFORMANCE "IMPACT" CNC porting service

Jack Berger's XL1200 Heads

HAMMER PERFORMANCE "CRUSH" CNC porting service
HAMMER PERFORMANCE Bolt-On 1250 Kit with 30 degree reverse dome pistons
HAMMER PERFORMANCE "IMPACT 560" cams

Charlie Bragg's XL1200 Heads

HAMMER PERFORMANCE "SMASH" CNC porting service
HAMMER PERFORMANCE Bolt-On 1250 Kit with 30 degree reverse dome pistons
HAMMER PERFORMANCE "IMPACT 560" cams

HRD Performance's XL883 Heads

HAMMER PERFORMANCE "SMASH" CNC porting service
HAMMER PERFORMANCE Bolt-On 1250 Kit with 30 degree reverse dome pistons
HAMMER PERFORMANCE "IMPACT 560" cams

Average Joe's Motorcycle Service's XL1200 Heads

HAMMER PERFORMANCE "SMASH" CNC porting service
HAMMER PERFORMANCE Bolt-On 1250 Kit with 30 degree reverse dome pistons
Andrews N6 cams

David Cusack's XL883 Heads

HAMMER PERFORMANCE "SMASH" CNC porting service
HAMMER PERFORMANCE Bolt-On 1250 Kit with 30 degree reverse dome pistons
HAMMER PERFORMANCE "IMPACT 560" cams

Ryan Megill's XL883 Heads

HAMMER PERFORMANCE "SMASH" CNC porting service
HAMMER PERFORMANCE Bolt-On 1250 Kit with 30 degree reverse dome pistons
HAMMER PERFORMANCE "IMPACT 560" cams

Ken Kirby's Buell XB Heads

HAMMER PERFORMANCE "CRUSH" CNC porting service
HAMMER PERFORMANCE Bolt-On 1250 Kit with 30 degree reverse dome pistons
HAMMER PERFORMANCE "IMPACT 560" cams

Hangman Cycles' Buell XB Heads

HAMMER PERFORMANCE "CRUSH" CNC porting service
HAMMER PERFORMANCE Bolt-On 1250 Kit with 30 degree reverse dome pistons
HAMMER PERFORMANCE "CRUSH 600" cams

Philip Veitch's Buell XB Heads

HAMMER PERFORMANCE "CRUSH" CNC porting service
HAMMER PERFORMANCE Bolt-On 1250 Kit with 30 degree reverse dome pistons
HAMMER PERFORMANCE "IMPACT 560" cams

Rodney Allen's XL883 Heads

HAMMER PERFORMANCE "IMPACT" CNC porting service
HAMMER PERFORMANCE Bolt-On 1250 Kit with 30 degree reverse dome pistons
HAMMER PERFORMANCE "IMPACT 560" cams

James Bassett's XL1200 Heads

HAMMER PERFORMANCE "CRUSH" CNC porting service
HAMMER PERFORMANCE Bolt-On 1250 Kit with 30 degree reverse dome pistons
HAMMER PERFORMANCE "CRUSH 600" cams

Keith Fitzgerald's XL883 Heads

HAMMER PERFORMANCE "SMASH" CNC porting service
HAMMER PERFORMANCE Bolt-On 1250 Kit with 30 degree reverse dome pistons
HAMMER PERFORMANCE "IMPACT 560" cams

Wade Kruger's Twin Cam Heads

HAMMER PERFORMANCE "SMASH" CNC porting service
HAMMER PERFORMANCE Bolt-On 103ci Kit
S&S 585 EZ Start cams

Simon Horne's XR1200 Heads

HAMMER PERFORMANCE "CRUSH" CNC porting service
HAMMER PERFORMANCE Bolt-On 1250 Kit with 30 degree reverse dome pistons
Red Shift 605/591 cams

Redline Concrete's Buell Thunderstorm Heads

HAMMER PERFORMANCE "CRUSH" CNC porting service
HAMMER PERFORMANCE Bolt-On 1250 Kit
Screamin Eagle .575 cams

Mike Altieri's XL1200 Heads

HAMMER PERFORMANCE "CRUSH" CNC porting service
HAMMER PERFORMANCE Bolt-On 1250 Kit with 30 degree reverse dome pistons
HAMMER PERFORMANCE "CRUSH 600" cams

Adam Hunt's XL1200 Heads

HAMMER PERFORMANCE "CRUSH" CNC porting service
HAMMER PERFORMANCE Bolt-On 1250 Kit with 30 degree reverse dome pistons
HAMMER PERFORMANCE "CRUSH 600" cams

Amin El Fassi's XL1200 Heads

HAMMER PERFORMANCE "SLEDGE" CNC porting service
HAMMER PERFORMANCE Bolt-On 1250 Kit with 30 degree reverse dome pistons
HAMMER PERFORMANCE "CRUSH 600" cams

Mike Ross' XL1200 Heads

HAMMER PERFORMANCE "CRUSH" CNC porting service
HAMMER PERFORMANCE Bolt-On 1250 Kit with 30 degree reverse dome pistons
HAMMER PERFORMANCE "IMPACT 560" cams

Shaun Parks' Buell XB Heads

HAMMER PERFORMANCE "CRUSH" CNC porting service
HAMMER PERFORMANCE Bolt-On 1250 Kit with 30 degree reverse dome pistons
HAMMER PERFORMANCE "CRUSH 600" cams

Jason Cherry's XL1200 Heads

HAMMER PERFORMANCE "CRUSH" CNC porting service
HAMMER PERFORMANCE Bolt-On 1250 Kit with 30 degree reverse dome pistons
HAMMER PERFORMANCE "CRUSH 600" cams

Don Jackson's Buell XB Heads

HAMMER PERFORMANCE "CRUSH" CNC porting service
HAMMER PERFORMANCE Bolt-On 1250 Kit with 30 degree reverse dome pistons
Screamin Eagle .536 cams

Braden Cook's XL1200 Heads

HAMMER PERFORMANCE "CRUSH" CNC porting service
HAMMER PERFORMANCE Bolt-On 1250 Kit with 30 degree reverse dome pistons
HAMMER PERFORMANCE "IMPACT 560" cams

Scott Mattner's XL883 Heads

HAMMER PERFORMANCE "SMASH" CNC porting service
HAMMER PERFORMANCE Bolt-On 1250 Kit with 30 degree reverse dome pistons
HAMMER PERFORMANCE "IMPACT 560" cams

Kim Nurmi's XL883 Heads

HAMMER PERFORMANCE "SMASH" CNC porting service
HAMMER PERFORMANCE Bolt-On 1250 Kit with 30 degree reverse dome pistons
HAMMER PERFORMANCE "IMPACT 560" cams

Rakitskiy Ruslan's Buell XB Heads

HAMMER PERFORMANCE "SMASH" CNC porting service
HAMMER PERFORMANCE Bolt-On 1250 Kit with Sledge Hammer custom turbo application pistons

Mike Croteau's XL1200 Sportster Heads

HAMMER PERFORMANCE "CRUSH" CNC porting service
HAMMER PERFORMANCE Bolt-On 1250 Kit with 30 degree reverse dome pistons
HAMMER PERFORMANCE "CRUSH 600" cams

Wade Scroggins' XL1200S Sportster Heads

HAMMER PERFORMANCE "SMASH" CNC porting service
HAMMER PERFORMANCE Bolt-On 1250 Kit with 30 degree reverse dome pistons
HAMMER PERFORMANCE "IMPACT 560" cams

Daniel Martinez's XL883 Sportster Heads

HAMMER PERFORMANCE "IMPACT" CNC porting service
HAMMER PERFORMANCE Bolt-On 1250 Kit with flat top pistons
Andrews N4 cams

Andrew Davies' XL1200 Sportster Heads

HAMMER PERFORMANCE "CRUSH" CNC porting service
HAMMER PERFORMANCE Bolt-On 1250 Kit with 30 degree reverse dome pistons
HAMMER PERFORMANCE "CRUSH 600" cams

Joe Boodanian's Buell XB Heads

HAMMER PERFORMANCE "CRUSH" CNC porting service
HAMMER PERFORMANCE Bolt-On 1250 Kit with 30 degree reverse dome pistons
HAMMER PERFORMANCE "CRUSH 600" cams
HAMMER PERFORMANCE Billet Intake Manifold
Mikuni HSR45 Carburetor
HAMMER PERFORMANCE Air Hammer Air Cleaner

Steve Mckinley's Buell Thunderstorm Heads

HAMMER PERFORMANCE "CRUSH" CNC porting service
HAMMER PERFORMANCE Bolt-On 1250 Kit with 30 degree reverse dome pistons
HAMMER PERFORMANCE "CRUSH 600" cams

John Compton's XL1200 Sportster Heads

HAMMER PERFORMANCE "SMASH" CNC porting service
HAMMER PERFORMANCE "IMPACT 560" cams

Corey Lehrke's XL883 Sportster Heads

HAMMER PERFORMANCE "IMPACT" CNC porting service
HAMMER PERFORMANCE Bolt-On 1250 Kit
Andrews V4 cams

Matt Heritage's XL883 Sportster Heads

HAMMER PERFORMANCE "SMASH" CNC porting service
HAMMER PERFORMANCE Bolt-On 1250 Kit with 30 degree reverse dome pistons
Andrews V4 cams

David Creech's XL883 Sportster Heads

HAMMER PERFORMANCE "IMPACT" CNC porting service
HAMMER PERFORMANCE Bolt-On 1250 Kit
Andrews N4 cams

Michael Bandala's XL883 Sportster Heads

HAMMER PERFORMANCE "SMASH" CNC porting service
1.760" intake/1.530" exhaust stainless steel high flow 7mm stem valves, bronze manganese guides, and beehive springs
HAMMER PERFORMANCE Bolt-On 1250 Kit with 30 degree reverse dome pistons
HAMMER PERFORMANCE "IMPACT 560" cams
HAMMER PERFORMANCE Air Hammer Air Cleaner
HAMMER PERFORMANCE Billet Intake Manifold

Nick Allaby's XL883 Sportster Heads

HAMMER PERFORMANCE "SMASH" CNC porting service
1.760" intake/1.530" exhaust stainless steel high flow 7mm stem valves, bronze manganese guides, and premium PAC Alloy beehive endurance springs with Titanium retainers
HAMMER PERFORMANCE Bolt-On 1250 Kit with 30 degree reverse dome pistons
HAMMER PERFORMANCE "IMPACT 560" cams
Mikuni HSR42 Carburetor

The Wrench's XL1200 Heads

HAMMER PERFORMANCE "SLEDGE" CNC porting service
1.940" intake/1.615" exhaust stainless steel high flow 5/16 stem competition valves, bronze manganese guides, and competition springs
HAMMER PERFORMANCE Bolt-On 1250 Kit with 30 degree reverse dome pistons
HAMMER PERFORMANCE "CRUSH 600" cams
Dynojet Powervision with Autotune Pro

Noah Labelle's Twin Cam Heads

HAMMER PERFORMANCE "SMASH" CNC porting service
1.900" intake/1.615" exhaust stainless steel 7mm stem high flow valves, bronze manganese guides, and PAC Alloy beehive endurance springs with Titanium retainers
HAMMER PERFORMANCE Bolt-On 107ci Kit
Wood TW-888 cams

Ben Paquin's XL883 Sportster Heads

HAMMER PERFORMANCE "SMASH" CNC porting service
1.770" intake/1.530" exhaust stainless steel high flow 7mm stem valves, bronze manganese guides, and premium PAC Alloy beehive endurance springs with Titanium retainers
HAMMER PERFORMANCE Bolt-On 1250 Kit with 30 degree reverse dome pistons

Allen Hack's Buell XB Heads

HAMMER PERFORMANCE "CRUSH" CNC porting service
1.900" intake/1.615" exhaust stainless steel high flow 7mm stem valves, bronze manganese guides, and premium PAC Alloy beehive endurance springs with Titanium retainers
HAMMER PERFORMANCE Bolt-On 1250 Kit with 30 degree reverse dome pistons

Torq Monster Motorworks' XL883 Sportster Heads

HAMMER PERFORMANCE "SMASH" CNC porting service
1.770" intake/1.530" exhaust stainless steel high flow 7mm stem valves, bronze manganese guides, and premium PAC Alloy beehive endurance springs with Titanium retainers
HAMMER PERFORMANCE Bolt-On 1250 Kit with 30 degree reverse dome pistons
HAMMER PERFORMANCE "IMPACT 560" cams
HAMMER PERFORMANCE Air Hammer Air Cleaner
HAMMER PERFORMANCE Billet Intake Manifold
Mikuni HSR45 Carburetor

David Wilhdlm's Twin Cam Heads

HAMMER PERFORMANCE "SLEDGE" CNC porting service
2.000" intake/1.615" exhaust stainless steel 5/16 stem competition valves, bronze manganese guides, and competition springs with Titanium retainers
HAMMER PERFORMANCE Bolt-On 98ci Kit
JIMS Hydrosolid Lifters
S&S Roller Rocker Arms

Paul Spor's XL883 Sportster Heads

HAMMER PERFORMANCE "SMASH" CNC porting service
1.770" intake/1.530" exhaust stainless steel high flow 7mm stem valves, bronze manganese guides, and premium PAC Alloy beehive endurance springs with Titanium retainers
HAMMER PERFORMANCE Bolt-On 1212 Kit
HAMMER PERFORMANCE "IMPACT 560" Cams

Joe Bishop's Twin Cam Heads

HAMMER PERFORMANCE "SLEDGE" CNC porting service
2.000" intake/1.615" exhaust stainless steel 5/16 stem competition valves, bronze manganese guides, and competition springs with Titanium retainers

Josh Bolt's Buell XB Heads

HAMMER PERFORMANCE "CRUSH" CNC porting service
1.900" intake/1.615" exhaust stainless steel high flow 7mm stem valves, bronze manganese guides, and premium PAC Alloy beehive endurance springs with Titanium retainers

Robert Spence's XL883 Sportster Heads

HAMMER PERFORMANCE "IMPACT" CNC porting service
HAMMER PERFORMANCE Bolt-On 1250 Kit

Kevin Kaleugher's XL883 Sportster Heads

HAMMER PERFORMANCE "SMASH" CNC porting service
1.760" intake/1.530" exhaust stainless steel high flow 7mm stem valves, bronze manganese guides, and beehive springs
Screamin Eagle .536 cams

Dave Johnson's Twin Cam Heads

HAMMER PERFORMANCE "SMASH" CNC porting service
1.900" intake/1.615" exhaust stainless steel high flow 7mm stem valves, bronze manganese guides, and premium PAC Alloy beehive endurance springs with Titanium retainers
HAMMER PERFORMANCE Bolt-on 107ci kit
Screamin Eagle SE255E cams

Paul Hamilton's Twin Cam Heads

HAMMER PERFORMANCE "SLEDGE" CNC porting service
2.000" intake/1.615" exhaust stainless steel 5/16 stem competition valves, bronze manganese guides, and competition springs with Titanium retainers
HAMMER PERFORMANCE Bolt-on 98ci kit
S&S 585 Easy-start cams

Route 65 HD's XL883 Sportster Heads

HAMMER PERFORMANCE "SMASH" CNC porting service
1.760" intake/1.530" exhaust stainless steel high flow 7mm stem valves, bronze manganese guides, and premium PAC Alloy beehive endurance springs with Titanium retainers
HAMMER PERFORMANCE Bolt-On 1250 Kit with 30 degree reverse dome pistons
HAMMER PERFORMANCE "IMPACT 560" cams

Brian Hathaway's XL883 Sportster Heads

HAMMER PERFORMANCE "SMASH" CNC porting service
1.760" intake/1.530" exhaust stainless steel high flow 7mm stem valves, bronze manganese guides, and beehive springs
HAMMER PERFORMANCE Bolt-On 1250 Kit with 30 degree reverse dome pistons
HAMMER PERFORMANCE "IMPACT 560" cams

Reaction Racing's Buell Thunderstorm Heads

HAMMER PERFORMANCE "SLEDGE" CNC porting service
1.940" intake/1.615" exhaust stainless steel high flow 5/16 stem valves, bronze manganese guides, and competition springs
HAMMER PERFORMANCE 90ci Kit with 30 degree reverse dome pistons
HAMMER PERFORMANCE "SLEDGE 660" cams

Aaron Thomas's XL883 Sportster Heads

HAMMER PERFORMANCE "SMASH" CNC porting service
1.760" intake/1.530" exhaust stainless steel high flow 7mm stem valves, bronze manganese guides, and beehive springs
HAMMER PERFORMANCE Bolt-On 1250 Kit with 30 degree reverse dome pistons
Andrews V4 cams
Mikuni HSR42 Carburetor
HAMMER PERFORMANCE Billet Intake Manifold

Jeff Craig's Twin Cam Heads

HAMMER PERFORMANCE "SMASH" CNC porting service
1.900" intake/1.615" exhaust stainless steel high flow 7mm stem valves, bronze manganese guides, and premium PAC Alloy beehive endurance springs with Titanium retainers
Andrews TW60 cams

Steve Terry's Twin Cam Heads

SMASH CNC porting service is what Steve chose to power his 2007 Twin Cam! These heads feature not only our advanced port work but also our trick 1.900" intake and 1.615" stainless steel high flow 7mm stem valves, bronze manganese guides, and premium PAC Alloy beehive endurance springs with Titanium retainers. A set of S&S 585 cams and a 103 cubic inch kit complete this package and are sure to make Steve's Softtail into an arm-stretcher, congrats Steve!

Dave Sarna's XL1200 Heads

Dave's HAMMER PERFORMANCE CRUSH CNC ported 1200 Sportster heads are just the ticket to pound his competition! They feature our large 1.900" intake and 1.615" exhaust stainless steel high flow 7mm stem valves, bronze manganese guides, and our super trick PAC Alloy endurance racing spring pack with Titanium retainers and the chambers have been machined for the 30 degree reverse dome pistons in Dave's HAMMER Bolt-On 1250 Kit. A set of our powerful and quiet IMPACT 560 cams and HAMMER Billet Intake Manifold round out this proven combination of parts. Congrats Dave!

Don Castella's XL1200 Sportster Heads

When you want to hit it hard, you use a SLEDGE hammer! That's what Don is doing with this set of HAMMER PERFORMANCE SLEDGE ported XL1200 Sportster heads! Our most adavanced 4-axis CNC porting process works together with the huge 1.940" intake and 1.615" exhaust stainless steel high flow 5/16 stem valves, bronze manganese guides, and heavy duty .700 lift springs with Ti retainers to make this the top-of-the-line set of heads. Why does Don need such killer heads? Because he also got one of our HAMMER/Axtell 90 cubic inch kits with matching 30 degree reverse dome pistons! A set of the proven Sledge Hammer .660 cams completes the pounding combination, congrats Don!

Jeff LaGrave's XL1200 Sportster Heads

Jeff's not messing around, he wants to smash his competiton, which is why he chose the HAMMER PERFORMANCE SMASH CNC porting service for his Sportster heads! This adavanced porting process shapes and sizes the ports for maximum cylinder fill which translates directly to more torque and horsepower across the whole rpm range. It also includes oversized 1.850" intake and 1.615" exhaust stainless steel high flow 7mm stem valves, bronze manganese guides, and new beehive springs. Jeff also opted for the ultimate in chamber efficiency and breathing, our 30 degree chamber machining and matching 30 degree reverse dome pistons in his HAMMER Bolt-On 1250 Kit. A set of the proven Screamin Eagle .536 cams tops off this potent combination that's sure to transform Jeff's bike into one fast and reliable Sportster. Congrats Jeff!

Jim Wiseman's XL883 Sportster Heads

Big power is in Jim's plans, which is why he sent his 883 heads to HAMMER PEFORMANCE for our exclusive SMASH CNC porting service! To match the proven CNC port work, we fit the biggest valves that will go into 883 heads, our special 1.770" intake and 1.530" exhaust stainless steel high flow 7mm stem valves, along with a set of bronze manganese guides and our super trick PAC Alloy endurance racing spring pack with Titanium retainers. We also machined the chambers out to 30 degrees to improve breathing and match the 30 degree reverse dome pistons in Jim's HAMMER Bolt-On 1250 Kit. A set of our incredible IMPACT 560 cams and HAMMER Billet Intake Manifold with a Mikuni HSR45 carburetor complete this proven 100+hp 883-1250 conversion package. Enjoy your new rocket, Jim!

Mark Montgomery's XL1200 Heads

Mark's Sportster is all set to slam the competition with this beautiful set of HAMMER PERFORMANCE CRUSH CNC ported cylinder heads! 1.900" intake and 1.615" exhaust stainless steel high flow 7mm stem valves, bronze manganese guides, and our super trick PAC Alloy endurance racing spring pack with Titanium retainers and chambers machined for the 30 degree reverse dome pistons in Mark's HAMMER Bolt-On 1250 Kit is the formula for big horsepower! This setup is perfectly matched to Mark's new CRUSH 600 cams and HAMMER Billet Intake Manifold too. Hang on tight Mark, your Sportster is about to get scary fast, congrats!

George Mitchell's 883 Sportster Heads

Who says 883 heads can't perform? George went for a proven 100+ horsepower package when he sent his 883 heads to us for our exclusive SMASH CNC porting service! This service includes the biggest conversion valves in the business, our exclusive 1.770" intake and 1.615" exhaust stainless steel high flow 7mm stem valves, bronze manganese guides, and our super trick PAC Alloy endurance racing spring pack with Titanium retainers. The top-shelf port work and hardware are carefully matched to the 30 degree reverse dome conversion pistons in George's HAMMER Bolt-On 1250 Kit. A set of our incredible IMPACT 560 cams and a HAMMER Billet Intake Manifold top off the package and guarantee one fast Sportster, congrats George!

Landon Crawford's Buell XB Heads

When Landon wanted to add some big power to the Buell XB12 motor in his custom build, he turned to HAMMER PERFORMANCE for our top of the line Sledge CNC porting service! SLEDGE service comes with massive 1.940" intake and 1.615" stainless steel high flow high strength valves, bronze manganese guides and our premium .650 lift chrome silicone springs with Titanium retainers. The ultra trick 30 degree reverse dome pistons in Landon's HAMMER bolt-on 1250 kit will match the chambers on these heads perfectly thanks to the CNC machining job on the chambers. Topped off with a set of Red Shift 585 cams, Landon's gonna be hitting it hard! Congrats Landon!

Harley's Performance's XL1200 Heads

Harley's Performance wants to deal a crushing blow to the competition, which is why they chose the HAMMER PERFORMANCE CRUSH CNC porting service for this set of 07 EFI Sportster heads! This service comes with huge 1.900" intake and 1.615" stainless steel high flow 7mm stem valves, bronze manganese guides, and our super trick PAC Alloy endurance racing spring pack with Titanium retainers. 30 degree chambers were machined to perfectly match the 30 degree reverse dome pistons in the HAMMER Bolt-On 1250 Kit. With a set of CRUSH 600 cams and a HAMMER Billet Intake Manifold, this bike is gonna hit it hard!. Congrats guys!

Moe Pursey's XL1200 Heads

Moe wants to pound his competition at the drag strip, so he opted for the HAMMER PERFORMANCE Sledge CNC porting service for this set of 04-06 Sportster heads! SLEDGE service includes huge 1.940" intake and 1.615" stainless steel high flow high strength valves, along with bronze manganese guides and our premium .700 lift race springs with Titanium retainers. 30 degree chambers were machined at the 3.875 bore size to work with the 30 degree race pistons in Moe's HAMMER/Axtell 90ci kit as well, which greatly extends the power capability of these heads. The whole package is topped off with a set of our incredible SLEDGE 660 cams. If you line up against Moe, be prepared to see his tail light! Congrats Moe!

Jim Saville's XL1200 Heads

Say you want the most advanced 1250 kit on the market, including the ultra-trick 30 degree reverse dome pistons, but you want it done without the head porting that often goes with it. Well, do what Jim did, and send your heads to HAMMER PERFORMANCE. We'll machine the chambers to 30 degrees, perform a valve job, and unshroud the valves to get the chamber volume right, making your heads a perfect match for the state-of-the-art pistons. Paired with a set of our incredible IMPACT 560 cams, you've now got yourself a package that really performs and can be built on for even more power later. Congrats Jim!

Chris Tsokalas' Buell XB Heads

A Buell XB12 is a pretty quick bike, but after you've sent the heads to HAMMER PERFORMANCE for our exclusive CRUSH CNC porting service like Chris did, it's a whole new ball game! CRUSH service includes extra large 1.900" intake and 1.615" stainless steel high flow 7mm stem valves, along with bronze manganese guides and our premium PAC Alloy beehive endurance springs with Titanium retainers. But that's not all Chris did, he went all out and had us machine the chambers to match the ultra-trick 30 degree reverse dome pistons in his large fin bolt-on 1250 kit as well, helping these heads breathe even better! It all adds up to one scary fast Buell, congrats Chris!

Patrick Polidori's XL1200 Sportster Heads

Patrick's XL1200R Sportster is a great bike, but he wanted more sport in the Sportster, which is why he sent us his heads for our exclusive SMASH CNC porting service! Advanced CNC porting is only the beginning, this service also includes oversized 1.850" intake and 1.615" stainless steel high flow 7mm stem valves and new beehive springs. With a set of IMPACT 560 Cams backing them up, these heads really perform! Congrats and try to keep the front end down Patrick!

Brian Kolis' Twin Cam Heads

One of our many friends from "down under", Brian wanted some more zip for his 95 inch FXDX, so when he had us prepare this beautiful set of Twin Cam heads he chose our exclusive SMASH CNC porting service! This advanced porting service makes a massive improvement in the flow, giving a huge boost to the torque and power capability of the heads. SMASH service is backed up with the best hardware in the business, huge 1.900" intake and 1.615" stainless steel high flow 7mm stem valves, bronze manganese guides, and premium PAC Alloy beehive endurance springs with Titanium retainers. A set of S&S 570 cams are the perfect complement to these great heads and will make Brian's bike an arm-stretcher, congrats Brian!

David Messinger's XL883 Sportster Heads

Who says 883 heads can't be made to perform? When treated to the SMASH CNC porting service like David's heads, they're proven capable of supporting more than 100 horsepower!. The CNC reshaped and sized ports are complemented by the largest conversion valves in the business, stainless steel high flow 7mm stem Striker valves, along with bronze manganese guides and new beehive springs. These heads are a perfect match for the IMPACT 560 Cams and flat top 1212 kit David chose to go with them. It all adds up to one quick Sportster, congratulations David!

High Desert Performance's Twin Cam Heads

When you've got performance in your name, you better have great cylinder heads to back it up, and that's exactly what the guys at High Desert Performance have with this set of Twin Cam heads! That's because they've been treated to our exclusive SMASH CNC porting service including huge 1.900" intake and 1.615" stainless steel high flow 7mm stem Striker valves, bronze manganese guides and premium PAC Alloy endurance racing beehive springs with titanium retainers. This is is gonna be one strong Twin Cam, congrats guys!

Mort Gelberd's XR1200 Sportster Heads

To CRUSH the competition with your XR1200, do what Mort did and send your heads to HAMMER PERFORMANCE for our exclusive CRUSH CNC porting service! To help you really hit it hard, we'll fit our oversized 1.900" intake and 1.615" stainless steel high flow valves, bronze manganese guides, and PAC Alloy beehive endurance springs with titanium retainers and when you get a bolt-on 1250 kit as well, we'll machine the chambers out to 30 degrees to match the 30 degree reverse dome pistons. Matched to a set of Red Shift 605/591 cams, Mort's XR1200 is all set to pound the competition! Congrats Mort!

Jeff Elmore's XL1200 Sportster Heads

Looking for a super strong package for your Sportster that doesn't break the bank and still keeps your bike streetable and long lived? So did Jeff, and that's why he went for the CRUSH CNC porting service from HAMMER PERFORMANCE for his 2008 XL! In addition to the CNC port work, we machined the chambers to the optimum 30 degree angle, providing a perfect match for the 30 degree reverse dome pistons in Jeff's HAMMER PERFORMANCE big fin bolt-on 1250 kit. As a part of the CRUSH service, we also fitted extra large 1.900" intake and 1.615" stainless steel high flow valves, bronze manganese guides, and PAC Alloy beehive endurance springs with titanium retainers. Our exclusive and incredible IMPACT 560 Cams are the perfect match for this setup and guarantee Jeff one arm-stretching Sportster with the manners and long life of a stock bike. Congrats Jeff!

Randy Tracz's XL1200 Sportster Heads

When you want to hit it as hard as you can, you go for the SLEDGE Hammer CNC porting service from HAMMER PERFORMANCE! That's what Randy chose for this great set of heads. This service includes the best hardware available: huge 2.000" intake and 1.615" stainless steel high flow valves, bronze manganese guides, and a premium quality .650 lift spring pack with titanium retainers. It also includes machining the chambers out to a 30 degree angle to match the angle dome pistons in Randy's HAMMER/Axtell 88 cubic inch kit, as well as provisions for compression releases and dual plugs. This package is sure to stretch Randy's arms, congrats Randy!

Ryan Dhabalt's Buell XB Heads

When you have a set of fine factory heads like the Buell XB versions, and you want everything out of them that they can give, you do what Ryan did and send them to HAMMER PERFORMANCE for the SLEDGE Hammer CNC porting service! Ryan opted for the 1.980" intake and 1.615" stainless steel 7mm stem high flow valves, bronze manganese guides, and premium PAC Alloy .600 lift beehive spring pack with titanium retainers. The chambers were machined as well to match the 30 degree reverse dome pistons in his HAMMER PERFORMANCE Bolt-on 1250 kit. The package is topped off with a set of HAMMER PERFORMANCE CRUSH 600 cams as well as an Air Hammer Air Cleaner and a Mikuni HSR45 carb feeding these great heads through a HAMMER PERFORMANCE billet intake manifold. Hang on tight and try to keep the front wheel down Ryan!

Dan Freund's Twin Cam Heads

Say you've got a '99 Dyna with a 95 inch conversion and you want the heads to keep up with the extra cubes. How do you do it? Dan knows the answer: you send the heads to HAMMER PERFORMANCE for our IMPACT Porting Service! We'll CNC shape and size the ports for maximum cylinder fill, which translates directly into more torque and horsepower across the entire rpm range. Dan also had us upgrade the dated 5/16 hardware in his heads to the late model 7mm stem style with beehive springs, and in the process he got a set of our Striker high flow stainless 1.850" intake and 1.575" exhaust valves & bronze manganese guides which are a perfect match for the Wild Things cams going into his build. You can bet Dan's bike is going to be a ton more fun to ride with this combination, congratulations Dan!

Tyler Woodard's XL883 Sportster Heads

Tyler's 883 Sportster is going to fly once he installs this set of HAMMER PERFORMANCE SMASH ported heads! The CNC shaped port and valve seat work is complemented by the best hardware available: our exclusive 1.760" intake and 1.530" stainless steel 7mm stem high flow conversion valves, bronze manganese guides, and beehive spring pack. Tyler also went for an angled squish band cut for the ultimate in chamber efficiency, paired with a set of angle dome pistons in his HAMMER PERFORMANCE bolt-on 1250 kit. IMPACT 560 cams round out this proven combination. Congratulations Tyler!

Bill Reithel's XL1200 Sportster Heads

Bill's not pulling any punches, he's determined to Crush his competition with this beautiful set of HAMMER PERFORMANCE CRUSH ported XL1200 heads! These heads feature our extra large 1.900" intake and 1.615" stainless steel 7mm stem high flow valves, bronze manganese guides, and our trick PAC Alloy beehive endurance springs with titanium retainers, as well as a full 30 degree squish band cut to match the 30 degree reverse dome pistons in Bill's HAMMER PERFORMANCE bolt-on 1250 kit. Bill also went with the incredible IMPACT 560 cams to make sure this bike is as smooth and quiet as it is powerful. Congratulations Bill!

Casey Zell's Buell Thunderstorm Heads

Thunderstorm heads with CRUSH CNC head porting service including extra large 1.900" intake and 1.615" stainless steel 7mm stem high flow valves, bronze manganese guides, and our trick PAC Alloy beehive endurance springs with titanium retainers is what Casey chose to make his 883R Sportster scream! These heads work especially well with the set of CRUSH 600 cams and billet intake manifold Casey got to go with them. It's a package that can't be beat, congrats Casey!

David Kolias' XL1200 Heads

How do you make a rigid mount Sportster fly? Do what David did and send the heads to HAMMER PERFORMANCE for the proven Smash CNC head porting service complete with 1.760" intake and 1.530" oversized stainless steel 7mm stem high flow valves, bronze manganese guides, and our trick PAC Alloy beehive endurance springs with titanium retainers! Then pair these heads with one of our matching bolt-on 1250 kits, a set of our exclusive CRUSH 600 cams, our super-trick billet intake manifold, and the ultra high flowing Air Hammer Air Cleaner. That's what it's going to take to keep up with David and his Sportster. Congrats David!

Jim Cordeiro's Buell XB Heads

Jim's not messing around, he's swinging for the fence with the HAMMER PERFORMANCE CRUSH CNC head porting service on this beautiful set of Buell XB heads. In addition to our proven power-producing CNC port work, Jim got the best hardware in the business with these heads, our high flowing 1.900/1.615 7mm stem stainless valves, PAC Alloy endurance beehive springs with Ti retainers, and bronze manganese guides. They're the perfect match for his HAMMER PERFORMANCE bolt-on 1250 kit with 30 degree reverse dome pistons and a set of our exclusive CRUSH 600 cams. This package is capable of some absolutely Crushing horsepower, congratulations Jim!

Andrew Mellinger's XL883 Heads

Andrew decided his '00 883 needed some more juice, so he sent the heads to HAMMER PERFORMANCE for our exclusive Smash CNC head porting service to be transformed into these beauties. Not only did the ports get reworked in our highly developed CNC process, but these heads also got fitted with 1.760/1.530 oversized stainless 7mm stem steel high flow valves, bronze manganese guides, and PAC Alloy endurance springs with titanium retainers. These heads will see duty sitting on top of a HAMMER PERFORMANCE bolt-on 1250 kit with flat top pistons and are being paired with a set of Screamin Eagle .575 lift cams. It's a proven combination that will more than double the power output of Andrew's 883 and make it feel like a totally different bike. Congrats Andrew!

Scott Morgano's XL883 Heads

Scott's 883 just didn't have enough oomph for him anymore, so he decided it was time to send the heads to HAMMER PERFORMANCE to be treated to our high tech Smash CNC head porting service. SMASH service to 883 heads includes CNC port work plus the largest valves that will fit into 883 heads: our exclusive 1.760" intake and 1.530" exhaust stainless steel 7mm stem pieces, along with matching bronze manganese guides and beehive valve springs. This head work plus a set of Andrews N8 cams together makes sure his HAMMER PERFORMANCE bolt-on 1250 kit will get all the air it needs to make the big power. Congrats and hang on tight Scott!

David Parker's XL1200 Heads

David wants BIG power for his '06 Sportster, so he sent his heads to HAMMER PERFORMANCE for the advanced Crush CNC head porting service. Crush service means extra large 1.900" intake and 1.615" oversized stainless steel 7mm stem high flow valves, bronze manganese guides, and our trick PAC Alloy beehive endurance springs with titanium retainers. We also machined the chambers out to a 30 degree angle so that David could use the the most advanced performance pistons in the business in his HAMMER PERFORMANCE big fin bolt-on 1250 kit. He's matching this potent combination with a set of Screamin Eagle .575 lift cams to make sure it makes a mountain of torque and power. It'll be an arm-stretcher for sure, congratulations David!

RocketmanGB's XL1200 Heads (George Basore)

With a nickname like Rocketman, you've gotta make sure you've got the best heads money can buy. That's why George chose the HAMMER PERFORMANCE Sledge CNC head porting service for his late model XL1200 heads! Not only did these heads get our highly developed CNC porting treatment, they also got the best hardware in the business, our 1.940/1.615 oversized stainless steel high flow valves, bronze manganese guides, and .650 lift chrome silicon springs with titanium retainers. The chambers were also machined out to 30 degrees for optimum efficiency and breathing with the matching high tech 30 degree reverse dome pistons in George's HAMMER PERFORMANCE big fin bolt-on 1250 kit. The perfectly matched HAMMER Crush 600 cams and HAMMER Billet Intake Manifold complete the package and make sure Rocketman will live up to his name. Congrats George!

David Ireland's XL1200 Heads

Big power is no accident, it's the result of great technology, years of R&D, and implementing the highest quality processes to turn out consistently great heads. David's heads are what the end result looks like. The HAMMER PERFORMANCE Crush CNC head porting service was used to reshape the ports in these beauties to our dyno and race proven profile, maximizing cylinder fill through the right combination of velocity and flow. The heads are then paired with the best hardware money can buy, our state-of-the-art 1.900/1.615 oversized stainless steel high flow valves, bronze manganese guides, and PAC Alloy beehive endurance springs with titanium retainers. 30 degree chamber machining and the matching high tech 30 degree reverse dome pistons in David's HAMMER PERFORMANCE big fin bolt-on 1250 kit makes the chamber more efficient and improves breathing when used with the big valves. Pairing all this technology with a set of HAMMER Impact 560 cams designed specifically for the flow characteristics of the heads is the finishing touch on a well engineered, matched package. It's a formula for a big pile of power with reliability and longevity that can't be beat. Congratulations David!

David Nicholls' Buell XB Heads

When you're doing a 90 cubic inch build, you don't need good heads, you need GREAT heads. That's why David opted for the HAMMER PERFORMANCE Crush CNC head porting service for this set of new Buell XB heads. The CRUSH service includes our extra large 1.900/1.615 stainless steel high flow valves, bronze manganese guides, and PAC Alloy beehive endurance springs with titanium retainers and are a perfect engineered match for the CRUSH 600 cams going into David's build. David also opted to get a 30 degree squish band machined into these beauties, which perfectly matches the 30 degree reverse dome pistons in his 90 cubic inch HAMMER/Axtell engine kit. Altogether it adds up to a package that will nearly triple the original power of his XL883, transforming it into a little rocket! Congratulations David!

Kevin McCarthy's XL1200 Heads

Kevin's not messing around, he wants BIG power for his 2010 Sportster and that's exactly what he'll get once he bolts on these beauties. That's because they've been treated to the HAMMER PERFORMANCE Crush CNC head porting service complete with our giant 1.900/1.615 stainless steel high flow valves, bronze manganese guides, and PAC Alloy beehive endurance springs with titanium retainers. We also machined out his chambers to the optimal 30 degree angle to match the 30 degree reverse dome pistons in his HAMMER PERFORMANCE big fin bolt-on 1250 kit. This setup is a perfect match for the HAMMER Crush 600 cams and the combination produces huge amounts of torque and power. A setup like Kevin's makes a Sportster scary fast, congrats Kevin!

Thomas Hallen's XL1100 Heads

What do you do with a set of ultra-rare XL1100 heads when you want big power? You do what Thomas did and treat them to the HAMMER PERFORMANCE Crush CNC head porting service! They'll come back looking like these beauties, complete with huge 1.900/1.615 stainless steel high flow valves, bronze manganese guides, and PAC Alloy beehive endurance springs with titanium retainers. For even more power, have us machine the chambers out to 30 degrees like these and get one of our incredible bolt-on 1250 kits with 30 degree reverse dome pistons. Thomas also went with a HAMMER billet intake manifold, a Mikuni HSR45 carburetor, and a set of 4-speed style S&S 600 cams to make sure his Sportster gets all the air it needs to be a real screamer. Congrats and hang on tight Thomas!

Duane Meade's XL1200 Heads

If you want BIG power from an XL mill, you need a set of heads like Duane's! Starting with the 04-06 XL1200 castings, these heads were treated to the HAMMER PERFORMANCE Smash CNC head porting service which includes all new oversized stainless steel high flow valves, bronze manganese guides, and new valve springs. Duane went with a 30 degree squish cut in the chambers to match the trick new 30 degree reverse dome pistons that came in his new HAMMER PERFORMANCE big fin 1250 kit, giving maximum chamber unshrouding and efficiency. Duane's new HAMMER Impact 560 cams are a perfect match for this setup and will make his bike into a rocket! Congratulations Duane!

James Logan's XL1200 Heads

How do you CRUSH your competition with a little fuel injected 883? James knows the answer: the HAMMER PERFORMANCE Crush CNC head porting service on a new set of XL1200 heads along with a set of HAMMER Crush 600 cams! This head prep service includes the best CNC port work available complemented with the best hardware available: huge 1.900/1.615 stainless steel high flow valves, bronze manganese guides, and PAC Alloy beehive endurance springs with titanium retainers. They're a perfect match for the HAMMER bolt-on 1250 kit with 30 degree reverse dome pistons James got to go with them. It's a package of perfectly matched parts that'll do for James what it's done for so many other XL owners: make his bike scary fast! Congratulations James!

DeShaies Motorsport Buell XB Heads

Want a scary fast Buell XB9? Do what the guys at Deshaies Motorsports did and build one with a set of Crush Ported Buell XB heads and a HAMMER PERFORMANCE 1200 kit! This exclusive head work includes extra large high flow 1.900" intake and 1.615" stainless exhaust valves and our PAC Alloy Beehive Spring pack with Titanium Retainers. DeShaies also opted for a 30 degree squish band cut with matching 30 degree reverse dome pistons to get everything out of this package. Try to keep the front end down as you enjoy the little rocket, guys!

Gus DeBree's Twin Cam Heads

Want a strong Twin Cam that's easy on the wallet? Try the IMPACT Porting Service Like Gus did! This service includes CNC shaped and sized ports of our exclusive design, and a competition valve job. They really wake up a bike like Gus's 103 inch Twin Cam, especially when paired with cams like his SE255's. Congratulations Gus!

Leo Lumbreras' Sportster Heads

Leo has chosen the perfect match for his Sportster: IMPACT Ported XL1200 heads paired with our exclusive IMPACT 560 Cams! These parts along with the HAMMER PERFORMANCE Bolt-On 1250 kit will turn Leo's bike into one arm-stretcher of a Sportster without breaking the bank! Congratulations Leo!

Koons Power Sports XB Heads

Want to make an S&S 89 inch kit absolutely rip? Follow the lead of the experts at Koons Power Sports and get a set of Buell XB heads with the exclusive HAMMER PERFORMANCE Crush CNC Head Porting Service! You'll get our incredible 7mm stem Striker High Flow 1.900" intake/1.615" exhaust Stainless Steel Valves and PAC Alloy Beehive Springs with Titanium Retainers in addition to the best port work available. Do like KPS and pair these great heads with a set of Andrews N9 Cams and your 89 inch motor will be scary fast! Congrats KPS!

Gary Noble's Twin Cam Heads

Gary's Street Glide is going to rock once he puts this beautiful set of heads on it! That's because he chose the HAMMER PERFORMANCE Smash CNC Head Porting Service to go with his Andrews 54H cams and S&S 106 inch kit! The SMASH service on a Twin Cam includes the best hardware available: our 7mm stem Striker High Flow 1.900" intake/1.615" exhaust Stainless Steel Valves and PAC Alloy Beehive Springs with Titanium Retainers. Congrats and hang on tight Gary!

Lowell Sabine's 883 Sportster Heads

How do you smash your competition without smashing your wallet? You do what Lowell did and send your 883 heads to HAMMER PERFORMANCE for the exclusive Smash CNC Head Porting Service! Then pair these great heads with HAMMER Impact 560 Cams and the best 1250 kit available. That's the recipe for transforming your 883 Sportster into an arm stretching rocket. Congrats Lowell!

Joe Glennen's Buell XB Heads

CRUSHING power is what Joe set his sights on with these XB heads! Joe chose the HAMMER PERFORMANCE Crush CNC Head Porting Service and matching HAMMER Crush 600 Cams for his 2007 XL Sportster project. This head work includes the best hardware avaialble: 7mm stem Striker High Flow 1.900" intake/1.615" exhaust Stainless Steel Valves and PAC Alloy Beehive Springs with Titanium Retainers. Together the heads and cams make a great match for the HAMMER Bolt-On 1250 Kit with 30 degree reverse dome pistons going on Joe's bike, too. It all adds up to one competition crushing. Sportster, congrats Joe!

Josh Bisignano's Buell Thunderstorm Heads

Josh is all set to CRUSH the competition once he puts these incredible Thunderstorm heads onto his Buell X1! That's because he opted for the HAMMER PERFORMANCE Crush CNC Head Porting Service complete with a 30 degree squish band cut to match the 30 degree reverse dome pistons in his new HAMMER Bolt-On 1250 Kit. These Thunderstorms also got updated to 7mm stem Striker High Flow 1.900" intake/1.615" exhaust Stainless Steel Valves and PAC Alloy Beehive Springs with Titanium Retainers. which are going to work great with his HAMMER Crush 600 Cams. Josh will have one FAST X1 with these parts, congrats Josh!

Richard Hartline's XL1200 Heads

SMASH CNC Head Porting Service has made Richard's XL1200 heads into the works of art you see here! 7mm stem Striker High Flow 1.850" intake/1.615" exhaust Stainless Steel Valves and PAC Alloy Beehive Springs with Titanium Retainers. complement the state-of-the-art CNC port work to make sure Richard's motor never runs out of breath. These heads will be a great match for the HAMMER Bolt-On 1250 Kit and HAMMER Impact 560 Cams in Richard's plans. Congrats Richard!

Matt Matthews' Buell Thunderstorm Heads

Thunderstorm heads rock! At least they do when they've been treated to the HAMMER PERFORMANCE Crush CNC Head Porting Service like Matt's! In the process of preparing these heads, we also updated the old Thunderstorm hardware to the latest 7mm stem Striker High Flow 1.900" intake/1.615" exhaust Stainless Steel Valves and PAC Alloy Beehive Springs with Titanium Retainers. These heads also got the 30 degree chamber treatment to perfectly match the 30 degree reverse dome pistons in Matt's new HAMMER Bolt-On 1250 Kit. A set of trick new HAMMER Crush 600 Cams tops off this great package and makes sure Matt's X1 will be one FAST Buell! Congrats Matt!

Ron Beatty's 883 Sportster Heads

883 heads can really make your Sportster fly if you follow Ron's lead and send them to HAMMER PERFORMANCE for our Smash CNC Head Porting Service! We fit larger valves into 883 heads than anyone else: 1.760" intake and 1.530" exhaust high flow Striker Series 7mm stem stainless steel valves in this case. The factory beehive spring pack is a perfect match for this setup when used with our Impact 560 Cams. The whole setup is a great match for the HAMMER Bolt-On 1250 Kit going into Ron's Sportster. With all these trick parts, Ron's 883 is about to be transformed into a fire breathing monster! Congrats Ron!

Mike Willett's 1200 Sportster Heads

Want the baddest 1250 in town? Do what Mike did to his: the HAMMER PERFORMANCE Crush CNC Head Porting Service with the 30 degree chamber treatment and a HAMMER Bolt-On 1250 Kit with our exclusive 30 degree reverse dome pistons! Toss in a set of matching Crush 600 Cams and see if you can hold on to this little rocket! Congrats Mike!

Neale Fraser's 1200 Sportster Heads

How do you build a monster of an 88 cubic inch Sportster? With a set of heads like these! Neale started with a set of 04-06 XL1200 castings and then treated them to the exclusive HAMMER PERFORMANCE Crush CNC Head Porting Service, which includes our extra large Striker High Flow 7mm stem 1.900" intake/1.615" exhaust Stainless Steel Valves and PAC Alloy Beehive Springs with Titanium Retainers. The chambers got the 30 degree treatment to match the 30 degree reverse dome pistons in Neale's HAMMER/AXTELL 88ci kit. Feeding this beast is a Mikuni HSR45 carb and a set of Crush 600 Cams. Sounds like one mean Sportster, congrats Neale!

Bob Skuce's Buell XB Heads

How do you make a terrific set of heads into an incredible set of heads? Do what Bob did and send them to HAMMER PERFORMANCE for our exclusive Crush CNC Head Porting Service with Striker High Flow 7mm stem 1.900" intake/1.615" exhaust Stainless Steel Valves and PAC Alloy Beehive Springs with Titanium Retainers. Bob also chose the 30 degree chamber treatment to match the trick new 30 degree reverse dome pistons in his HAMMER Bolt-On 1250 Kit. A set of Red Shift 585 Cams and a Mikuni HSR45 carb puts all the pieces in place to make a screamer out of Bob's Sportster. Congratulations Bob!

Brodie Brimble's XL1200 Sportster Heads

Brodie's XL1200 EFI heads were treated to the exclusive HAMMER PERFORMANCE Crush CNC Head Porting Service, which includes our extra large Striker High Flow 7mm stem 1.900" intake/1.615" exhaust Stainless Steel Valves and .550 lift beehive springs. These parts are a perfect match for the IMPACT 560 Cams he chose and will work terrific with his new 30 degree reverse dome HAMMER Bolt-On 1250 Kit. This is sure to make an arm-stretcher out of Brodie's 883 Iron, congratulations Brodie!

Dave Cremeans' 1200S Sportster Heads

In stock form the 1200S heads leave something to be desired, but when treated to the HAMMER PERFORMANCE Sledge CNC Head Porting Service with Striker High Flow 7mm stem 1.900" intake/1.615" exhaust Stainless Steel Valves and PAC Alloy Beehive Springs with Titanium Retainers they become some of the best Sportster performance heads out there! That's what Dave did to his, and he included a 30 degree squish band cut to match the trick new 30 Degree Reverse Dome Pistons in his HAMMER Bolt-On 1250 Kit. To handle the valve opening duties, Dave also went with the amazing CRUSH 600 Cams and he topped this build off with a HAMMER Ported Intake Manifold and Air Hammer 3 Inch Air Cleaner. This package will put the SPORT back into the Sportster for sure! Hang on tight Dave!

Dennis Sielaff's 1200 Sportster Heads

Dennis selected the HAMMER PERFORMANCE Smash CNC Head Porting Service for his 1200 hemi heads, which dramatically improves the flow of these heads. He also had us update the heads to the modern 7mm stem 1.760" intake and 1.530" exhaust Striker High Flow Stainless Valves with PAC Alloy Beehive Springs and Titanium retainers, which is state of the art in light weight, high strength, and high flow hardware. The heads and hardware are a perfect match for the CRUSH 600 Cams and HAMMER Bolt-On 1250 Big Bore Kit going in his Sportster, too. This bike is going to absolutely rip, congratulations Dennis!

Screw Loose Dan's Sportster Heads (Dan Cunningham)

HAMMER PERFORMANCE Sledge CNC Head Porting Service with huge 1.940" intake and 1.615" exhaust Sledge Hammer High Flow Stainless Valves with Sledge Hammer springs and Titanium retainers makes sure that Dan has plenty of flow to feed the monster sized HAMMER/Axtell 90 Cubic Inch Kit going in Dan's Sportster! This kit uses our special Sledge Hammer 15 degree domed/dished piston to give maximum chamber turbulence and power, and Dan's heads have been machined to match. Red Shift 585 cams handle the valve opening duties through a set of JIMS lifters, Sledge Hammer Pushrods, and S&S Roller Rocker Arms. It all adds up to one badass Sportster, congrats Dan!

Terry Flynn's Buell XB Heads

HAMMER PERFORMANCE Crush CNC Head Porting Service means extra large 1.900" intake and 1.615" exhaust Striker High Flow Stainless Valves with PAC Alloy beehive springs and Titanium retainers were fitted to this beautiful set of Buell XB heads. A HAMMER PERFORMANCE Bolt-On 1250 Kit with 15 degree Thunderstorm style pistons will be going under these babies and the valve opening chores will be handled by a set of SE 575 cams. Terry's bike is going to be a screamer, hang on tight Terry and congratulations!

Tom Debolt's Buell XB Heads

Tom wants to SMASH his competition, which is why he went with the exclusive HAMMER PERFORMANCE Smash CNC Head Porting Service on his XB heads! This service features extra large 1.850" intake and 1.615" exhaust Striker High Flow Stainless Valves. A set of Andrews N4 cams will make sure Tom hits it hard! Congratulations Tom!

Chuck Horton's Buell Thunderstorm Head

Who says the little Buell Blast has to be slow? Chuck's sure won't be once he installs this beautiful Thunderstorm head and HAMMER/Axtell 600 kit onto his Blast! Chuck opted for the HAMMER PERFORMANCE Crush CNC Head Porting Service featuring 1.900" intake and 1.615" exhaust High Flow Stainless Valves as well as a 30 degree squish band cut for maximum chamber efficiency and breathing. He chose Red Shift cams to handle the valvetrain duties and pull everything out of this combination. Congrats Chuck!

Leo Blay's XL883 Sportster Heads

Leo's XL883 is about to be transformed into a fire breather, because he'll be installing this beautiful set of HAMMER PERFORMANCE Smash CNC Ported heads, featuring our exclusive extra large 1.760" intake and 1.530" exhaust Striker High Flow Stainless Valves with PAC Alloy beehive springs and Titanium retainers over the top of his HAMMER PERFORMANCE Bolt-On 1250 Kit with flat top pistons. A set of SE 575 cams will guarantee these incredible heads make crushing amounts of power for him. Congrats Leo!

Ryan Ringler's XL883 Heads

Ryan knows how to make a screamer out of his little 883: Send the heads off to get the exclusive HAMMER PERFORMANCE Smash CNC Head Porting Service! They come back with with extra large 1.760" intake and 1.530" exhaust Striker High Flow Stainless Valves and PAC Alloy beehive springs with Titanium retainers. All he has to do is install them over his HAMMER PERFORMANCE Bolt-On 1250 Kit with flat top pistons, and toss in the killer SE 575 cams from HAMMER PERFORMANCE, and his 883 will pound anything in town! Hit it with a Hammer, Ryan!

Eddie Maldonado's XL883 Heads

Eddie's mild mannered 883 Sportster is about to be unleashed! That's because Eddie just got the HAMMER PERFORMANCE Smash CNC Head Porting Service with extra large 1.760" intake and 1.530" Striker High Flow Stainless Valves for his 883 heads. He'll be pairing this gorgeous set of heads with a HAMMER PERFORMANCE Bolt-On 1250 Kit. and Andrews cams. Congrats Eddie!

John Plaster's XB Heads

John's XB heads were treated to our exclusive Crush CNC Head Porting which features extra-large 1.900" intake and 1.615" exhaust Striker High Flow Stainless Valves with 7mm Stems and PAC Alloy Beehive Endurance Springs with Titanium Retainers. A 15 degree squish band cut makes for a perfect fit with the 15 degree Thunderstorm style Sledge Hammer Pistons in his HAMMER Performance Bolt-on 1250 kit. The icing on he cake for John's build is a set of our new Crush 600 cams. With this terrific combination, John's bike will crush the competition, congrats John!