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This CP Piston & ring set is made for Honda B‑series engines and comes sized to a bore of 84.5 mm at +0.5 mm oversize. The kit establishes a 12.5:1 compression ratio as specified, supplying pistons and rings matched for high‑compression B‑series rebuilds. It provides a straightforward, application‑specific replacement intended for dedicated B‑series installations where the stated bore and compression are required.
CP Piston & Ring Set for Honda B-Series - Bore (84.5mm) - Size (+0.5mm) - Compression Ratio (12.5)
