Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem

If you're rebuilding the top end of your Chevrolet Small Block engine, especially for racing applications under 8000 RPM, these Manley Race Series exhaust valves are a solid option. They're built to handle the stress of bracket, drag, or oval track racing, ensuring your engine breathes right when it matters most.

These valves are made from a high-quality stainless steel that's tough enough for demanding use. The stems are chromed and feature hard tips, which helps them stand up to wear over time. Manley also swirl polishes the areas under the head and fully machines the combustion faces. This attention to detail helps improve airflow into the cylinder, which can make a notable difference in how efficiently your engine burns fuel.

Manley offers these in different shapes, but this specific kit is for the exhaust side and is even recommended for alcohol-fueled engines, showing how robust they are. If you're looking for reliable exhaust valves for a performance build, these are a well-made choice.