Welcome to Chopper Guys CPI California Performance Iron

The guys that make the wheels spin! Chopper Guys California Performance Iron have been making custom choppers for decades. We make some of the strongest frames in the world. California Performance Iron is the first company to make a production wide tire frame for Harleys.




Chopper Guys CPI California Performance Iron- Chopper Guys frames are tough, built with precision and style like no other. The first frame to be sold by Drag Specialties for more that 27 years and exclusively contracted and featured in their magazine for decades. With 46 designs of production frames available, Chopper Guys is an acknowledged indusry leader.

    Here are just a few custom motorcycles built on Chopper Guy frames…


Full Service Machine Shop and Custom Fabrication