The Supertech single valve spring kit for Mitsubishi Evo X 4B11 is a replacement spring set designed for that specific engine. It restores the single-spring configuration used on the cylinder head, helping maintain proper valve actuation and seating during regular use. This kit is intended for service or rebuild scenarios on Evo X 4B11 engines where springs need replacement or renewal.
Supertech Mitsubishi EVO X 4B11 Single Valve Springs Kit