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Mahle MS forged piston set supplied as a matched set of eight pistons for a 304cid application. Each piston is specified for a 3.640 in bore with a 3.650 in stroke, 5.933 in rod length and a 0.866 in wrist pin; crown volume is 3.0cc with a listed compression ratio near 11.2:1. Per the spec each piston weighs about 392 g and carries the M142P designation, provided for dimensional and mass consistency during rebuilds.
Mahle MS Piston Set SBF 304ci 3.640in Bore 3.65in Stroke 5.933in Rod .866 Pin 3cc 11.3 CR Set of 8
