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Mahle MS forged piston set for SBF 447ci applications, supplied as a matched set of eight pistons. Each piston is specified for a 4.090 in bore with a 4.250 in stroke, 6.700 in rod length and a 0.990 in wrist pin; crown volume is -18cc and the listed compression is about 10.3:1. Per the spec each piston weighs roughly 496 g and the material/code indicated is 4032, provided for consistent mass and dimensional control in engine assemblies.
Mahle MS Piston Set SBF 447ci 4.090in Bore 4.250in Stroke 6.7in Rod .990 Pin -18cc 10.1 CR Set of 8
