Last Word In High Tech Cylinder Head 

Pro Tech is a locally owned business specializing in Cylinder Head-Manifold & Engine development located in Fresno California.

Our services include domestic, import, marine or motorcycle, stock to all-out competition; we have the expertise to vastly improve your engine performance.

The revolutionary "NEWEN" seat and guide machine makes all other seat and guide machine obsolete. What is your engine builder is using?

If you need nothing more than just a valve job, why not entrust your valuable investment to a true professional? One who has literally thousands of hours of R&D experience. Improving cylinder head air flow and performance.