
This CP piston and ring set is specified for the Nissan RB25DET with a bore of 87.0 mm, oversize +1.0 mm, and a compression ratio listed at 8.5. The set provides matched pistons and rings for RB25DET engines requiring the +1.0 mm bore size and the stated compression ratio, intended for engine rebuilds where those exact dimensions are required.
CP Piston & Ring Set for Nissan RB25DET - Bore (87.0mm) - Size (+1.0mm) - Compression Ratio (8.5)