This CP single piston and ring assembly fits Chevrolet small block engines with a 4.040-inch bore, 5.700-inch rod length and a 10.5:1 compression ratio. Supplied as a single piston and matching ring set, it’s intended for engine builders replacing individual pistons in compatible small block Chevy applications that require those precise bore and rod dimensions and compression.
CP Piston & Ring for Chevrolet Small Block - Bore (4.040in) - Rod (5.700in) - CR (10.5:1) - Single