FITS ALL YAMAHA YFZ450R AND YFZ450X YEARS AND MODELS! 98mm REDESIGNED big bore cylinder. 12.5:1 CP or JE forged piston.
Cometic top end gasket kit. We recommend that this be installed by a qualified mechanic with experience doing this type of work. The item "YFZ450R YFZ 450R Stage 3 Cam Hotcams Three Big Bore Top End Rebuild Kit" is in sale since Saturday, February 23, 2019.This item is in the category "eBay Motors\Parts & Accessories\ATV, Side-by-Side & UTV Parts & Accessories\Engines & Components". The seller is "bpracingatv" and is located in Upland, California. This item can be shipped worldwide.