
WOSSNER VKS4008A-EXH — Steel exhaust valve for Yamaha YZ450F/FX/WRF. This kit, designed for motocross enthusiasts and ATV users, includes the exhaust valves and the necessary springs for replacement. Made from steel, these parts prioritize longevity and reliable performance in demanding off-road conditions.
Ideal for maintenance or refurbishment of the cylinder head, this WOSSNER kit is aimed at riders looking for robust parts for their 450 cc engine. The installation replaces worn components of the exhaust distribution to restore smooth engine behavior and proper sealing for the exhaust cycle.
Main compatibilities: Yamaha WR 450 F (DJ03, CJ13) and YZ 450 F (CJ10) — 450 cc models listed among the most common. Perfect for track sessions, motocross outings, or refurbishment after the off-road season. Be sure to check valve seats and rocker arm clearance during replacement for precise adjustment and optimal lifespan.