The CP Pistons single piston and ring set is made for the Mitsubishi 4G63 (2G bore, 85.0 mm standard size) and is supplied as a single replacement piston with matching rings. Compression ratios are noted in the description—8.5:1 for Eclipse and 9.0:1 for Evo VIII/IX—making this a direct repair option when restoring bore and combustion specifications on 4G63-equipped engines.
CP Piston & Ring Set for 4G63 2G-Bore (85.0rmm)-Size (STD)-CR (8.5 Eclipse / 9.0 Evo 8/9) - Single