Motorcycle Cylinder Head Base Gasket compatible with CRF 450 R CRF450RWE CRF450RX models from 2021 to 2024.This gasket is designed to fit between the cylinder and engine block to a secure seal for proper engine performance.It is constructed to meet specifications for dimensional accuracy and.The item replaces the existing base gasket during maintenance or engine rebuilds and supports consistent compression levels for. This replacement part is independently produced.All brand references are for compatibility demonstration only.