Engine Valve

The ROCKY Engine Valve (Part No. 9-12561-802-0) is a high-quality valve manufactured in Japan, designed for ISUZU diesel engines (C221 series). Made from heat-resistant alloy steel, this valve provides excellent durability under extreme operating temperatures and pressures. It ensures precise control of the intake and exhaust cycles, improving combustion efficiency and extending engine life. This genuine Japanese-made valve is suitable for use in heavy-duty trucks, industrial engines, and construction equipment powered by ISUZU engines.