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The Mahle MS piston set described for SBF 420ci is an eight-piston kit with a 4.040" bore and an approximately 4.100" stroke for large-displacement small-block Ford builds. The set lists a 6.200" rod, 0.927" pin and a -6cc piston volume with an indicated 11.9:1 compression ratio; extended notes reference 4032 alloy construction and a 428g piston weight.
Mahle MS Piston Set SBF 420ci 4.040in Bore 4.1in Stroke 6.2in Rod .927 Pin -6cc 11.9 CR Set of 8
