Mahle MS piston set for 420ci Hemi applications supplies eight forged pistons sized 4.065in bore with a 4.050in stroke and 6.125in rods using 0.927in wrist pins. These pistons have a -12cc dish to target roughly a 10.1:1 compression and are offered as a matched set in 4032 alloy for Hemi rebuilds and high-displacement Chrysler V8 projects.
Mahle MS Piston Set Hemi 420ci 4.065in Bore 4.05in Stk 6.125in Rod .927 Pin -12cc 10.0 CR Set of 8