CP Pistons complete piston set for Chevrolet 6.6L Duramax includes eight pistons matched to bore 4.055 in, stroke 3.8976 in and connecting rod length 6.4181 in. Supplied as a set of eight, these pistons are specified for the listed 6.6L Duramax application and intended for engine assembly or rebuilds that require the stated bore, stroke and rod geometry.
CP Chevrolet 6.6L Duramax - Bore (4.055in) - Stroke (3.8976in) - Rod (6.4181in) - Set of 8