Christmas Sale! Valid 12/24-12/31! Coupon Codes XMAS1 and XMAS2

Welcome to WPI

We are your one stop shop for the finest quality automotive performance parts, service, custom metal fabrication, and machining. 

Cylinder Head Portwork

Custom Piston machining

Valve pocket work, compression height adjustments, and oil squirter relocation

Looking for 1800hp?

We can help with that

Custom Stainless Headers?

You've come to the right place