Motorcycle ATV Engine Accessories Camshaft Tappet Shaft & Rocker Arm For 500 2X4 4X4 450 Displacement: 455cc Number of Cylinders: 1 Cylinder Model Compatibility: Designed for use with 500, 400, 500, Big Boss, Scrambler, ATP, Worker, Xpedition 425 models This camshaft tappet shaft and rocker arm kit serves as a direct replacement part for select ATV and motorcycle engines.Built for , the components are constructed from steel to support performance under demanding conditions.The design alignment with engine specifications, allowing for straightforward integration during maintenance or rebuilds.The kit supports efficient valve train and is compatible with a range of models including 500 2X4, 4X4, and 450 configurations.Its construction aims to maintain consistent engine timing and durability across off-road and applications.Suitable for use in both recreational and work-focused vehicles, this assembly contributes to sustained engine function and performance.