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Mahle MS piston set for 498 cid Big Block Chevy applications, offered as a set of eight pistons. Each piston has a 4.320 in bore, 4.25 in stroke, 6.385 in rod and a 0.990 in wrist pin with a -3 cc crown volume yielding roughly an 8.8:1 compression ratio. The set lists individual piston mass and precise chamber sizing for builders seeking consistent ring and deck heights.
Mahle MS Piston Set BBC 498ci 4.320in Bore 4.25in Stroke 6.385in Rod 0.990 Pin -3cc 8.8 CR Set of 8
