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Mahle MS piston set for BBC 540ci applications is a matched eight-piston kit aimed at big-block Chevy engine builds. The set is sized for a 4.500 in bore with a 4.250 in stroke, 6.385 in rod length and 0.990 in wrist pin, providing a -3cc crown volume and roughly 9.4:1 compression. Extended data lists 4032 alloy construction and an approximate piston mass of 518 g each for consistent reciprocating assembly balance.
Mahle MS Piston Set BBC 540ci 4.500in Bore 4.25in Stroke 6.385in Rod 0.990 Pin -3cc 9.4 CR Set of 8
