
The CP Pistons piston and ring set for the Acura B18C1 is specified at an 82.0mm bore with +1.0mm oversize and a 9.0 compression ratio. Sold as an engine rebuild kit for the listed B18C1 application, this set matches the bore and size details shown and is intended for accurate replacement where those dimensions and compression ratio are required.
CP Piston & Ring Set for Acura B18C1 - Bore (82.0mm) - Size (+1.0mm) - Compression Ratio (9.0)