VALVE SPRING SET CRF450 02-08, KIBBLEWHITE 30-30640 RACING, LIGHTWEIGHT

Part No. 65-707 (oro2u.com)
Spring Kit, 440 Valve Lift OK,
2002-2008 Honda CRF450R Lightweight Racing Valve Chrome Silicon Springs, Titanium Retainers, H.T. Steel lower Collars. Kit.
Kibblewhite # 30-30640

EXHAUST , 0.440 Valve Lift OK 70# Seat Pressure 183lb. @ .375 lift
INTAKE , 0.440 Valve Lift OK 40# Seat Pressure 130lb. @ .375 lift