This CP Pistons piston and ring set is made for the Acura NSX C320A engine with a 90mm bore. The set is standard size (STD) with a 9.0:1 compression ratio and includes six pistons and rings. It serves as a direct replacement set intended for the specific NSX engine configuration and bore specified in the source description.
CP Piston & Ring Set for Acura NSX C320A - Bore (90mm) - Size (STD) - CR (9.0) - Set of 6