03-'05 for Yamaha YZ450F WISECO Bottom End Kit Yam Choose from single or dual

Choose from single or dual disc for touring applications

MPN: 0101-13671

Chromed mufflers have black tips

minimizing the shift clunk

03-'05 for Yamaha YZ450F WISECO Bottom End Kit Yam Choose from single or dualManufacturer: Wiseco MPN: WPC139 Title: Complete Bottom End Rebuild Kit Includes crankshaft, main bearings, complete bottom end gasket set, including all seals and gaskets needed for the job. The crank pin bearings are manufactured from the highest quality hot rolled steel. Case hardened to 58 62C The caged needle roller bearings provide the highest possible RPM Complete gasket kits are made from premium materials for maximum sealing and reliability