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Mahle MS piston set for SBC 406ci applications. This eight‑piece set fits a 4.155in bore with a 3.750in stroke, 5.700in rod length and 0.927in wrist pin, with -5.0cc dome volume yielding an 11.7:1 compression ratio. Individual pistons are listed at about 488 g and noted with a 4032 alloy reference, providing matched combustion volume and dimensions for compatible small‑block Chevy builds.
Mahle MS Piston Set SBC 406ci 4.155in Bore 3.750in Stroke 5.7in Rod .927 Pin -5cc 11.7 CR Set of 8
