CP Piston and ring set for the Nissan RB26DET specifies an 86.5mm bore with +0.5mm oversize and an 8.5 compression ratio. This kit is intended to replace or refresh the RB26DET rotating assembly with properly sized pistons and rings, providing the matched bore and size needed for engines requiring the +0.5mm service oversize.
CP Piston & Ring Set for Nissan RB26DET - Bore (86.5mm) - Size (+0.5mm) - Compression Ratio (8.5)