This CP piston ring is specified for CP pistons with a 91mm bore and is compatible with select Honda K20, Nissan RB20DET and SR20VE applications. Sold as a single ring, it provides replacement for engines using CP pistons at the stated bore size and is intended for rebuilds or piston-specific service where a 91mm ring is required.
CP Ring ONLY for CP pistons with 91mm Bore Size Honda K20/Nissan RB20DET/SR20VE