Mahle MS piston set for GM 347ci builds supplies eight forged pistons sized for a 3.908in bore and 3.622in stroke with 6.125in rods and 0.927in wrist pins. These pistons carry a -16cc dish to produce about a 9.0:1 compression ratio and are sold as a matched eight-piece set intended for balanced engine rebuilds and reliable combustion chamber control.
Mahle MS Piston Set GM LS 347ci 3.908in Bore 3.622stk 6.125in Rod .927 Pin -16cc 8.9 CR Set of 8