Mahle MS piston set for GM LSX 366 cid with 1.304" compression height is supplied as a matched set of eight pistons. Published dimensions show a 4.010" bore, 1.304" compression height, 3.622" stroke, 6.125" rod, 0.927" pin, -5.8cc dish, roughly 443 g piston mass and a 10.5:1 compression ratio, offered as a complete eight-piece kit.
Mahle MS Piston Set GM LSX 366cid 4.010x1.304CH 3.622 Stk 6.125 Rod .927 Pin -5.8cc 9.9CR - Set of 8