Fits Yamaha YZ450F 2003-2005.
Comes with Wiseco Crankshaft Assembly which includes Connecting Rods and Inner Crankshaft Webs, Wiseco Pro-Lite Piston, Rings, Circlips, Pin, (2) Main Bearings, Bottom End Gasket Kit & Top End Gasket Kit.
Piston Size: Your choice of 12.5:1 Stock Compression OR 13.5:1 High Compression, Both Standard Bore (95mm).
If NO piston is specified within 24 hours, the 12.5:1 Stock Compression will be shipped, we ship quickly to maintain our ebay status!
Bottom End Gasket Kit comes with (1) Mag OR, (1) Clutch Cover Out, (1) Clutch Cover In, (1) Ing Cov, (1) Inspec OR, (2) Water Plug, (1) Water Pump, (1) Out OR, (1) Crank OR & (8) Oil Seals.
Top End Gasket Kit comes with (1) Base Gasket, (2) O-Rings 1.8X1.9mm, (2) O-Rings 2.25X17mm, (2) Copper Washers, (4) Copper Washers, (1) Copper Washer, (1) Cam Chain Gasket, (1) Exhaust Gasket, (3) Valve Seal, (2) Valve Seal & (1) Head Gasket.
Ready for installation.