Wiseco Bottom End Rebuild Kit for 2007-20 Honda CRF150R - 43.70mm - WPC149 MPN_PE-C-MS450-A (1) 12x28x7 Bearing

(1) 12x28x7 Bearing

2004-08 Yamaha YZF R1

Fits: 2004-06 Suzuki RMZ250

2002 Polaris Magnum 500 4X4

Wiseco Bottom End Rebuild Kit for 2007-20 Honda CRF150R - 43.70mm - WPC149 MPN_PE-C-MS450-A (1) 12x28x7 BearingWiseco Performance 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 heat