The CP Pistons piston and ring set for Honda/Acura K20A/A2 is a complete four-piston kit specified for an 87.0mm bore and a 12.5:1 compression ratio. Supplied as a matched set of pistons and rings, it provides the correct bore sizing and compression spec to rebuild the K20A/A2 top end reliably, supporting accurate reassembly and tune-aware rebuilds.
CP Piston & Ring Set For Honda/Acura K20A/A2 - Bore 87.0mm 12.5:1 Comp Ratio (Set Of 4 Pistons)