Wiseco Bottom End Rebuild Kit for 2003-05 Yamaha YZ450F - 63.40mm - WPC139 2005 Polaris Ranger 500 4x4 - Lower 1994 Harley-Davidson Softail Fat Boy

1994 Harley-Davidson Softail Fat Boy - FLSTFI

2006 Kawasaki KVF400 Prairie

Inexpensive Alternative to OEM Replacement Parts

2014 Kawasaki VN900 Vulcan Custom

Wiseco Bottom End Rebuild Kit for 2003-05 Yamaha YZ450F - 63.40mm - WPC139 2005 Polaris Ranger 500 4x4 - Lower 1994 Harley-Davidson Softail Fat BoyWiseco Performance Complete Bottom End Rebuild Kit Wiseco now provides an all in one kit for your bottom end Made with the toughest materials for increased performance and life span Includes the Crankshaft Assembly, Main Bearings and Bottom End Gasket Kit Wiseco Crankshafts are 4340 steel, core hardened and tempered to reduce stress and optimize tensile strength. The crankshafts are made with a nitriding process for hardening rather than induction