j Our goal is to do more for the customer than sell them a generic performance part. We want to introduce them to a new way of thinking about the way they buy roller lifters, flat tappet lifters, cams, pushrods, retainers, springs, lash caps, valves, wrist pins etc. Performance Research Inc. is a company that researches problems that occur and offers engineered solutions. If you have a problem with a component or just want to turn more rpm’s we can help with computer modeling of parts, FEA, many years of experience manufacturing high performance engine components, and a vast knowledge of materials. Our Goal • Computer Design • Computer Modeling • Manufacturing • Physcal Testing Of Valve Train Components ProXtreme Valve Train Components Ultimate Cam Cores • Flat Tappet Lifters • Flat Tappet Floater • Roller Lifters • Ball Roller Lifters Valve Springs • Pushrods • Lash Caps • Rocker Arms • Valves • Wrist Pins