Mahle MS piston set for GM LSX 389 cid is offered as a complete eight‑piston matched kit for rebuilds. Published specifications include a 4.135" bore, 1.304" compression height, 3.622" stroke, 6.125" rod, 0.927" pin, -5.8cc dish and an approximate piston mass of 483 g with a 10.4:1 compression ratio, provided as an eight-piece set.
Mahle MS Piston Set GM LSX 389cid 4.135x1.304CH 3.622 Stk 6.125 Rod .927 Pin -5.8cc 10.4CR Set of 8