
WÖSSNER Steel Exhaust Valve - Honda CRF450X (manufacturer ref. VKS4023A-EXH): valve kit designed for off-road motorcycles and quads. WÖSSNER provides steel exhaust valves along with the necessary springs, suitable for the frequent stresses of motocross and quad riding.
This kit is aimed at riders and mechanics who work on the cylinder head and valve train: replacement due to wear, engine preparation, or preventive maintenance. Before installation, check the valve clearance and adhere to the manufacturer's recommendations for timing and spring tension. To ensure safe operation, check the dimensions and wear condition of seats, guides, and other associated components.