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Mahle MS piston set for BBC 508ci applications provides a matched eight-piston kit for big-block Chevy rebuilds. Pistons are specified for a 4.500 in bore with a 4.000 in stroke, 6.385 in connecting rod length and a 0.990 in wrist pin, with a -3cc crown producing about 8.9:1 compression. Extended data cites 4032 alloy and an individual piston mass near 542 g.
Mahle MS Piston Set BBC 508ci 4.500in Bore 4.00in Stroke 6.385in Rod 0.990 Pin -3cc 8.9 CR Set of 8
