Performance Motor Parts Connecting Rod Shaft Bearing Crankshaft Assembly For YZ450F 2010-2017 1SL-11400-03-00 This connecting rod shaft bearing crankshaft assembly is designed for use with YZ450F models from 2010 to 2017.It includes a engineered connecting rod, shaft, bearing, and crankshaft components that work together to engine.The assembly is built to meet specifications for fit and function.It is intended for motorcycle engines requiring replacement or performance upgrade of internal crankcase components.Installation requires standard mechanical tools and knowledge of engine disassembly procedures.