YFZ450R YFZ 450R +1 Kibblewhite Valves Stainless Valve Spring Guides Head Repair Kawasaki We do not warranty based

We do not warranty based on photos

This top-tier performance upgrade features an in-house machined 68 mm BIG BORE cylinder head

2003-2006 Magnum 330 4X4

MLS Head Gasket

YFZ450R YFZ 450R +1 Kibblewhite Valves Stainless Valve Spring Guides Head Repair Kawasaki We do not warranty basedFITS ALL YAMAHA YFZ450 AND YFZ450R CARB AND FI MODELS AND YEARS Kibblewhite chrome silicone valve springs Kibblewhite titanium retainers Kibblewhite heat treated collars Kibblewhite +1mm White Diamond stainless steel valves Kibblewhite bronze valve guides Kibblewhite viton valve stem seals Valve keepers This is a bolt on kit with no machining required. Piston uses pump or race gas. Everything is new in the original packaging and the manufacturer's