RACING VALVE SPRING KIT 68-37660E 1 year warranty on all

1 year warranty on all parts except brushes

Allows clutch assembly to spin truer creating less heat when clutch is disengaged and providing a more positive smooth clutch engagement

Wet clutch compatible

Built-in rugged tread blocks feature Staggered Step design

RACING VALVE SPRING KIT 68-37660E 1 year warranty on allKPMI 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"