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Mahle MS piston set for 555 cid Big Block Chevy applications, sold as a set of eight pistons. Each piston specifies a 4.560 in bore, 4.25 in stroke and 6.385 in rod length with a 0.990 in wrist pin, a 38 cc crown volume, and a 13.5:1 compression ratio in the listed configuration. These pistons match the displacement and chamber volume detailed for 555ci BBC builds.
Mahle MS Piston Set BBC 555ci 4.560in Bore 4.25in Stroke 6.385in Rod .990 Pin 38cc 13.5 CR Set of 8
