This CP piston ring is specified for CP pistons with a 90.5mm bore and is listed for the Acura NSX C30A application. Sold as the ring only to match CP piston components, it provides the exact bore sizing required when servicing or rebuilding engines that use CP pistons in the NSX C30A configuration.
CP Ring ONLY for CP pistons with 90.5mm Bore Size Acura NSX C30A