ATV Motorcycle Accessories Engine Camshaft Tappet Shaft & Rocker Arm & Cylinder Gaskets For 500 2X4 4X4 450 This engine component kit is designed as a direct replacement for compatible models including 500 2X4 4X4 450, 400 500, Big Boss, Scrambler, ATP, Worker, and Xpedition 425.Constructed from cast steel, the camshaft and associated parts are built to endure demanding off-road conditions and extended.The kit meets ISO9001 standards for consistent manufacturing quality. The set includes an engine camshaft, tappet shaft, rocker arm, and cylinder gaskets, forming a complete assembly to support proper valve train function.These components work together to regulate the intake and exhaust cycles, contributing to engine performance.The included gaskets help maintain a secure seal within the cylinder area, supporting overall engine efficiency. Designed for straightforward installation, this kit replaces existing parts without requiring modifications.It serves as a functional upgrade option for owners seeking to restore or enhance engine on compatible all-terrain vehicles. Important Notice: This aftermarket part is unaffiliated with brands.Model mentions indicate fitment only.