Mahle MS forged piston set for a 383 cid Ford small-block. Flat-top pistons sized for a 4.030" bore with a 3.750" stroke and 6.200" connecting rod, using a 0.927" wrist pin and approximately -6.5cc chamber volume for about a 10.9:1 compression ratio. Weight ~407g per piston. Supplied as an eight‑piston set for V8 rebuilds matching these specifications.
Mahle MS Piston Set Ford Flat Top SB 383ci 4.030in Bore 3.75in Stk 6.2in Rod .927 Pin -6cc 10.9 CR