RACINGVALVE SPRING KIT Category_Default Category/SLED/Polaris/AXYS 800 H.O. '15-17/Clutching their integrated finish accentuate the

their integrated finish accentuate the streamlined designs

Purchase as a package to save while maximizing your vehicle’s performance and style

The rugged design withstands harsh weather

this exhaust system utilizes proven performance-enhancing techniques

Crew SP 570

RACINGVALVE SPRING KIT Category_Default Category/SLED/Polaris/AXYS 800 H.O. '15-17/Clutching their integrated finish accentuate theKPMI valve springs are wound from Premium Kobe Super Clean Chrome Silicon Wire. KPMI valve springs are heat treated, stress relieved, and shot peened to insure maximum performance and life. Springs are engineered for each specific application using proprietary advanced spring design simulation, and analysis software. Engineers pay special attention to cam and spring harmonics, stress, mass, and operating rpm.