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The Mahle MS forged piston set provides eight matched pistons for high-displacement small-block Ford builds where consistent combustion chamber volume and strength are required. It is intended to support rebuilds and displacement upgrades. Documented as approximately 433 cid: 4.090" bore, 4.125" stroke, 6.700" rod, 0.990" pin, about -26cc dome for about 9.3:1 compression; listed per-piston mass ~516g and alloy 4032.
Mahle MS Piston Set SBF 434ci 4.090in Bore 4.125in Stroke 6.7in Rod .990 Pin -26cc 9.2 CR Set of 8
