RACING VALVE SPRING KIT Long Travel Superior protection and oxidative stability

Superior protection and oxidative stability at any temperature

2010 KTM 250 XC-W

even without a windshield

2008 Honda CRF250R

Gear position

RACING VALVE SPRING KIT Long Travel Superior protection and oxidative stabilityKPMI 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. 80 Lbs of Seat Pressure 205 Lbs @ 0. 435"