The Mahle MS piston set for GM LT1 376ci is a complete eight-piston kit sized for a 4.065-inch bore and a 3.622-inch stroke with 6.125-inch connecting rods and 0.927-inch pins. Each piston is specified at -4cc, yielding around an 11.5:1 compression ratio for this 376ci LT1 combination. The set is provided as a matched eight-cylinder package for engine builds.
Mahle MS Piston Set GM LT1 376ci 4.065in Bore 3.622in Stk 6.125in Rod -4cc 11.5 CR Set of 8