10-24 YZ450F YZ 450F Kibblewhite Head Intake Exhaust Valve Guides KPMI RED Seals YZ450F Enhanced low-end torque and throttle

Enhanced low-end torque and throttle response for faster acceleration

FITS ALL 2017+ HONDA CRF450R MODELS

Replaces OEM# 12053-S016

and impeller gear

oil pump chain and water pump kit

10-24 YZ450F YZ 450F Kibblewhite Head Intake Exhaust Valve Guides KPMI RED Seals YZ450F Enhanced low-end torque and throttleUpgrade your YZ450F with the ultimate valve train performance this complete set of Kibblewhite intake and exhaust valve guides and seals takes your bike's engine to the next level. Key features: Direct OEM replacement Kibblewhite bronze valve guides and Viton seals (You will receive Kibblewhite Hi Temp RED Viton valve stem seals unlike other sellers) High quality components prevent oil burning and boost engine performance One piece valve guides