Mahle's MS piston set for GM LS 383 cid applications includes eight forged pistons sized 3.905 in bore with a 4.000 in stroke and 6.125 in rod length. These pistons feature a -14.0 cc dish yielding about 10.0:1 compression ratio, a 0.927 in wrist pin, and a listed mass near 383 g. Specified alloy 2618 construction is provided in the technical description for balance and consistent combustion chamber displacement.
Mahle MS Piston Set GM LS 383ci 3.905in Bore 4in Stroke 6.125in Rod .927 Pin -14cc 10 CR Set of 8