The Mahle MS piston set for GM LSX 365 cid is a matched eight‑piston kit intended for engine builds. Product details list a 4.005" bore with 1.330" compression height, 3.622" stroke, 6.098" rod, 0.945" pin, -5.8cc dish, roughly 442 g per piston and a 10.5:1 compression ratio, supplied together as a full set of eight pistons for the specified displacement.
Mahle MS Piston Set GM LSX 365cid 4.005x1.330CH 3.622 Stk 6.098 Rod .945 Pin -5.8cc 9.9CR - Set of 8