Supertech Mitsubishi 420A Black Nitrided Exhaust Valve - Set of 8

This is a set of 8 Supertech black nitrided exhaust valves designed for Mitsubishi 420A engines. These valves are a direct replacement for your stock valves, helping to restore proper engine function and performance. If you're rebuilding the top end of your 420A engine, these valves are a solid option to consider.

The black nitriding process applied to these valves is a surface hardening treatment that improves wear resistance and durability. This means they can better withstand the high temperatures and stresses found in the exhaust port. Each valve is well-built and designed to fit right into your existing cylinder head, making installation straightforward for a mechanic.

When working on your engine, using well-made replacement parts like these Supertech valves can make a noticeable difference in the longevity and reliability of your rebuild. Ensure you have the correct tools and procedures for valve installation to get the best results.