The Mahle MS piston set for SBF ~331ci is an eight-piston kit described with a 4.030" bore and 3.250" stroke for small-block Ford applications. The set includes a 5.400" rod, 0.927" pin and lists an approximately -6cc piston volume with a 9.6:1 compression ratio; extended details indicate a 413g piston weight and 4032 alloy construction.
Mahle MS Piston Set SBF 331ci 4.030in Bore 3.25in Stroke 5.4in Rod .927 Pin -6cc 9.6 CR Set of 8