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Mahle's MS piston set for GM LS 347 ci (alternate spec) is a matched eight‑piston kit for LS rebuilds, sized to a 3.908 in bore with a 3.622 in stroke. Each piston pairs with a 6.098 in rod and 0.945 in wrist pin and targets about a 10.1:1 compression ratio. Extended details indicate a 411 g piston mass and 4032 alloy construction to provide consistent reciprocating balance and durability.
Mahle MS Piston Set GM LS 347ci 3.908in Bore 3.622in Stk 6.098in Rod .945 Pin -4cc 10.1 CR Set of 8
