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you need to properly tune your motor
Perfect for those who prefer a larger grip
With the latest available technologies
Hold-open chest vents
Our buckle system makes it easy to get in and get going
RACING VALVE SPRING KIT 226-1401 you need to properly tuneKPMI 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"
US$ 499.50
US$ 949.50
US$ 40.00
