
This CP piston ring is the replacement ring only for CP pistons with a 90mm bore size, intended for use with engines such as Honda K20 and Nissan RB20DET/SR20VE where that bore dimension applies. Sold as a single ring for CP pistons, it matches the specified 90mm diameter piston family and is intended to restore or maintain proper ring fitment in compatible CP piston assemblies.
CP Ring ONLY for CP pistons with 90mm Bore Size Honda K20/Nissan RB20DET/SR20VE