Kibblewhite 30-33350 Cylinder Head Service Kit

Everything needed to completely refresh/ upgrade the cylinder head. Include lightweight racing valve spring kits with steel or titanium valve spring retainers, beehive or dual valve springs, steel base washers and Viton valve stem seals. Black Diamond or White Diamond stainless steel valves for increased longevity (valves are standard size). C630 bronze valve guides (standard size). Top end gasket kit including base gaskets, engine case gaskets, exhaust gaskets, head gaskets and necessary O-rings and washers (as needed per application). Intake: max valve lift .440in., 1.215in. installed height, seat pressure 40 lb., open pressure 162 lb.;. Exhaust: max valve lift .405in., 1.360in. installed height, seat pressure 90 lb., open pressure 220 lb.. 4 titanium retainers, 2 intake valve springs, 2 progressively wound exhaust springs, steel base washers, Black Diamond intake/ exhaust valves (2 each), 4 C630 valve guides, top end gasket kitThis item fits the following vehicle applications:compatible with Honda CRF450R 2007-2008

• Everything needed to completely refresh/ upgrade the cylinder head
• Include lightweight replacement valve spring kits with steel or titanium replacement valve spring retainers, beehive or dual replacement valve springs, steel base washers and made with Viton replacement valve stem seals
• Black Diamond or White Diamond stainless steel valves for increased longevity (valves are standard size)
• C630 bronze replacement valve guides (standard size)
• Top end gasket kit including base gaskets, engine fits Case gaskets, exhaust gaskets, head gaskets and necessary O-rings and washers (as needed per application)