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The Mahle MS forged piston set for a 394ci Hemi is a complete eight‑piston kit intended for engine builds that require specific combustion volume and compression. These pistons are offered as a matched set for balanced operation and consistent chamber control. Key specs from the set include a 4.05" bore, 3.58" stroke, 6.125" rod length, 0.927" pin, about a 6cc dish yielding roughly 11.6:1 compression; construction notes list 4032 alloy and a per‑piston mass around 429 g.
Mahle MS Piston Set Hemi 394ci 4.05in Bore 3.58in Stroke 6.125in Rod .927 Pin -6cc 11.6 CR Set of 8
