RACING VALVE SPRING KIT .625 LIFT H.T. STEEL RETAINER Category_Default Category/SLED/Polaris/Matryx 9R which will resist cracking unlike

which will resist cracking unlike the stock plastic ones

This kit is recommended for extreme mud riding conditions

K&N Power Kleen™ is the only cleaner recommended to clean K&N Air Filter elements

Self-Test and Group Check for verifying device function

All Lyndall rotors are three-piece floating rotors

RACING VALVE SPRING KIT .625 LIFT H.T. STEEL RETAINER Category_Default Category/SLED/Polaris/Matryx 9R which will resist cracking unlikeWound 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.