This CP Piston and ring set is a matched set of four pistons and rings for Nissan SR20DE/DET engines, sized at 90mm bore with a +4.0mm oversize and a stated compression ratio of 9.1. The kit supplies all four pistons to support an oversized rebuild and maintains compatibility with the SR20DE/DET family while restoring cylinder geometry and sealing with new rings.
CP Piston & Ring Set for Nissan SR20DE/DET - Bore (90mm) - Size (+4.0mm) - CR (9.1) Set of 4