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The Mahle MS piston set is an eight‑piston kit listed for a Ford 487ci configuration with a 4.270in bore, 4.250in stroke, 6.700in rod and 0.990in wrist pin. Pistons are specified with roughly -9cc dish volume and an approximate 12.1:1 compression ratio in this setup. Supplied as a matched set of eight, these pistons are intended for high‑displacement Ford engine assemblies built to the listed dimensions.
Mahle MS Piston Set Ford 487ci 4.27in Bore 4.250in Stroke 6.7in Rod 0.990 Pin -9cc 12.1 CR Set of 8
