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VALVE SPRING SET RMZ450 05-07 KIBBLEWHITE 60-60240 RACING LIGHTWEIGHT RACING

Availability: In stock

SKU: TL1263371

Part number: 65-720

£186.79

Qty:

Part No. 65-720 (Off Road Only Ltd.) HIGH LIFT 0.415 INC. Kawasaki RMZ450 05-06, Lightweight Racing Valve Chrome Silicon Springs, Titanium Retainers, H.T. Steel lower Collars. Kibblewhite # 60-60240 Description Intake - 0.415 Valve Lift OK 57# Seat Pressure / 130 lb. at .360 lift Exhaust - 0.415 Valve Lift OK 50# Seat Pressure / 130 lb. at .360 lift KPMI takes a scientific -System- approach when designing our Valve spring kits. Each component is designed to work with the others as part of the complete system. KPMI?s engineers use our proprietary design and simulation softwares, and draw on our 70+ years of design experience to create these systems. Our design, simulation, and manufacturing processes insure compatibility of the valve spring?s force and natural frequency with the cam profile, valvetrain mass, system harmonics, and the engine RPM. Our spring manufacturing partners are U.S based companies that are ISO certified. The Super-Clean Chrome Silicon valve spring wire we use is traceable back to Kobe Japan where some of the best spring wire in the world is manufactured. Combining our design and simulation protocols with this premium quality valve spring wire, and manufacturing processes including, heat treatment, stress relief, and shot peening, allow us to supply you with the best valve springs in the world.