Profile: Pro Circuit Racing International, Inc. is a provider of custom precision engine and suspension building facility. Our custom precision engine products includes water pump, oil filter cover, engine accessories, valve spring kit, ti valves, cable guide and cam shaft. Our engine accessories is used to add some style to your bike with these super trick accessories. Cable guide is used to designed to your mount and front brake line, replacement water pump, oil filter o-ring. Our suspension products includes pull rods & link arms, triple clamps, launch controls, gas shock fluid is used to prevent foaming extend seal life & to provide superior lubricity and bladder caps.