CP Piston & Ring Set for Acura Honda K20A/A2/A3 – Bore 87mm Size +1.0mm

This CP piston and ring set supplies the replacement pistons and matching rings needed for oversize bore servicing of K20A/A2/A3 Honda and Acura four‑cylinder engines. Specified for an 87mm bore with a +1.0mm oversize, the kit restores proper ring sealing and compression for RSX applications while maintaining compatibility with factory dimensions and piston-to-wall clearance requirements. Use this set when reboring or rebuilding the cylinder block to the specified oversize dimension.

Features:

• Bore 87mm oversize for +1.0mm reboring
• Includes CP piston and ring set kit
• Compatible with K20A/A2/A3 engines
• Fitment for Acura RSX Base and Type‑S

Vehicle Fitment:

• 2002–2006 Acura RSX Base
• 2002–2004 Acura RSX Type‑S