CP single piston and ring assembly for Honda B‑series applications is supplied as an individual piston with rings sized to an 84.5mm bore and +0.5mm oversize, and lists a compression ratio of 12.8. Engine builders and repairers can use this single piston when matching bore and sizing requirements for B‑series engine rebuilds or selective replacement during machining and assembly.
CP Piston & Ring Set for Honda B-Series - Bore (84.5mm) - Size (+0.5mm) - CR (12.8) - SINGLE PISTON