CP piston and ring set specified for Honda B18A/B with B16A cylinder heads: bore 81.5mm, compression ratio 9.8, dome volume -3.7cc. This matched piston and ring package is offered as an engine assembly component for applications requiring these exact bore and geometry specifications, intended for rebuilds or performance engine assemblies that accept the stated dimensions.
CP Piston & Ring Set for Honda B18A/B w/B16A Heads - Bore (81.5mm) - CR (9.8) - Dome (-3.7cc)