THE BEST BIG BORE STROKER FOR YOUR YFZ450. FITS ALL YAMAHA YFZ450 MODELS AND YEARS CARB MODEL ONLY! BIG TIME RELIABLE BOLT ON POWER! HOTRODS +3mm stroker crank with rod. JE Wiseco or CP forged piston.
MAXLOCK heavy duty head studs. ARP 12 point flange nuts. Heavy duty SKF crank bearings. Water pump bearing and seal. Installation break in and tuning instructions.
No modification of any kind is required to use this kit. Please check your order thoroughly when receiving it. We recommend that this be installed by a qualified mechanic with experience doing this type of work.The item "YFZ450 YFZ 450 Big Bore Stroker Motor Crank Top Bottom End Engine Rebuild Kit" is in sale since Friday, April 14, 2017. 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.