RACING VALVE SPRING KIT .625 LIFT TITANIUM RETAINERS PISTON KIT 56.00/STD YAMWISECO Formulated specifically for V-Twin engines

Formulated specifically for V-Twin engines

Provides all the grip you’ll need for your next adventure

a sliding control system allows the length of the lever to be adjusted

only available for applications listed

RACING VALVE SPRING KIT .625 LIFT TITANIUM RETAINERS PISTON KIT 56.00/STD YAMWISECO Formulated specifically for V-Twin enginesWound 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.