Mahle MS forged piston set for small-block Chevy 381cid applications: 4.165in bore with 3.480/3.500in stroke, 6.125in connecting rod, 0.927in wrist pin and -5.0cc dish. Each piston is listed at about 450g with an 11.0:1 compression ratio and 4032 alloy designation. The set is supplied as eight pistons for compatible eight-cylinder engine builds.
Mahle MS Piston Set SBC 381ci 4.165in Bore 3.480/3.5stk 6.125in Rod .927 Pin -5cc 11.0 CR Set of 8