Mahle MS forged piston set for small-block Chevy 383ci applications is supplied as eight pistons sized to a 4.030" bore with a 3.750" stroke and 6.125" rod length. These -4cc pistons use a 0.927" wrist pin and target an 11.2:1 compression ratio, with 4032 alloy referenced in the specification for reliable aluminum construction suited to high-performance and rebuilt SBC engines.
Mahle MS Piston Set SBC 383ci 4.03in Bore 3.75in Stk 6.125in Rod .927in Pin -4cc 11.2 CR Set of 8