5TG-11400-31-00,4173,4073,CBK0109,WPC231,93306-30633-00, K022, B5000, B5050,B5003,B5055,BK5049,BK5031

FITS ALL YAMAHA YFZ450 CARB MODELS AND YEARS – DOES NOT FIT YFZ450R FUEL INJECTED MODELS

Hot Rods +3mm stroker crank assembly with rod

SKF OEM Upgrade MainCrank Bearings

No mods required, works with stock cylinder, piston, head, and cam chain!