cylinder head rebuilding services. We are one of the country's largest motorcycle cylinder and head re-manufacturers. We specialize in CNC MACHINED valve seat profiles which enhance air-flow and extend valve seat life. Other services we perform include valve seat and valve guide replacement, along with cylinder head porting and flow-bench testing. Here at Pro-1 Racing Heads, we custom craft our own valve seats and valve guides in-house, however, we also carry a full line of name brand cylinder head parts.

ON-DEMAND MACHINE SHOP SERVICES

PRO 1 RACING HEADS is the first custom machine shop in the motorcycle industry to offer this service to the public. Just send us your specifications and/or a blueprint.  We will then evaluate your design, estimate the cost of the project, and forecast the completion date.

NOTE: All valve jobs are CNC machined VALVE SEAT PROFILES for optimum PERFORMANCE!

WE HAVE INSTRUCTIONAL VIDEOS!!

Our instructional videos will give you information on everything from how to diamond hone a plated cylinder to how a combustion chamber is designed. Click HERE to take you to our instructional video page or go to the menu at the top/bottom of this page and click on “Instructional Videos.” What other company offers this to their customers?

Breaking News!

We are now offering Pro-1 Racing Heads performance centers! Would you like to start up a cylinder head rebuilding company? Why not become a Pro-1 Racing Heads performance center? Take advantage of this great opportunity to enter a thriving market that caters to everything from motorcycles to UTVs. Visit our performance centers page for more information.

More News!

We will soon have a Pro-1 Racing Heads 2010 Yamaha YZ450F running in the AMA Pro Flat Track Series! We will be able to disclose more information about the team shortly. Keep checking back for more details.

2010 CRF250R SERVICES NOW AVAILABLE!

We now have our top-notch services available for those who are looking to get more performance and durability out of their new fuel-injected 2010 CRF250R. Take a look at our updated photo gallery to see our work on this new cylinder head.

For cylinder head services for all Harley-Davidson motorcycles, visit Short Block Charlie’s website at www.motorcyclemachine.com