SPRING KIT .600 LIFT HD TWIN CAM part_Limit_Straps You’ll be ready to hit

You’ll be ready to hit the trail in no time

and provide an enhanced sound experience

Are you worried these doors won't hold up because they’re soft

- Quicker Spooling

- High-flow intercooler fan

SPRING KIT .600 LIFT HD TWIN CAM part_Limit_Straps You’ll be ready to hitWound 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.