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!

VINTAGE MOTORCYCLE RESTORATION

We are now rebuilding cylinder heads for vintage motorcycles. We will take an old vintage head and clean it, rebuild it, and make it run like new. Visit our Vintage Motorcycle Rebuilds page.

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 now have a 2010 Yamaha YZ450F running in the AMA Pro Flat Track series. For more information visit our Team page.

2010 YZ450F 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, rearward tilting 2010 YZ450F engine.

Please visit www.motorcyclemachine.com for all Harley-Davidson services.