Hammer Performance - for All Your Harley Davidson XL Sportster and Big Twin Performance Needs
Hammer Performance Horizontal Bar



Dyno Room and Results for Harley Davidson and Buell Performance Products and Services from HAMMER PERFORMANCE


New Harley Davidson and Buell Performance Products from HAMMER PERFORMANCE


Garage Sale Products from HAMMER PERFORMANCE


Harley Davidson and Buell Performance Photo Gallery


Pictures of Harley Davidson and Buell Performance Cylinder Heads


Pictures of Custom Air Hammer Air Cleaners








TECH TIPS

Follow The Links Below for Tech Articles and Tips from Hammer Performance!


CNC Head Porting
Hopping Up an XL1200
Converting an XL883
Static and Corrected Compression Ratio
Installing Your Engine Kit
Installing XL Cams
Checking and Setting Your Squish Clearance
Checking Valve to Piston Clearance
Description of the Various XL Heads
Dyno Tests of Various XL Exhaust Systems
All About Pushrod Length
How to Spot Check Cam Timing
How to Move the Cam Drive Gear
Dyno Tests of XL Throttle Bodies
Frequently Asked Questions

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