The Mahle MS piston set is an eight‑piston kit for Small Block Ford applications around 348–349 cid. It features a 4.040 in bore, 3.400 in stroke, 5.400 in rod and a 0.927 in wrist pin, with a -16 cc dish and a nominal 9.0–9.1:1 compression ratio and about 387 g piston mass. Use it when you need lower compression pistons with those precise dimensions.
Mahle MS Piston Set SBF 348ci 4.040in Bore 3.4in Stroke 5.4in Rod .927 Pin -16cc 9.0 CR Set of 8