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The Mahle MS single forged piston is made for GM 6.6L Duramax applications and is specified with a 4.095‑inch bore and 3.898‑inch stroke, a 6.417‑inch rod and 1.358‑inch pin. Documented displacement is 411 cid with a -41.8cc volume, a 16.6:1 compression ratio and a listed mass of 797 g. This single piston carries the dimensional and weight data needed for compatible Duramax engine assemblies.
Mahle MS GM 6.6L Duramax 4.095in Bore 3.898in Stk 6.417in Rod 1.358 Pin -41.8cc 16.5 CR - Single
