Mahle MS Piston Set SBC 358ci 4.030in Bore 3.500stk 5.700in Rod .0927in Pin -2cc 10.8 CR Set of 8

The Mahle PowerPak pistons were designed as a completely finished drop-in piston assembly. Other than filling the included performance piston ring set, everything is done for you. Mahle has over 80 plus years of piston manufacturing making pistons from OEM to formula 1 racing. Mahle uses only the best technology to make these pistons. Mahle pistons come standard with anti-friction skirt coating for reduced drag. Mahle pistons are forged from 4032 low expansion aluminum alloy for high strength for a reduced piston to wall clearance. Forced Pin Oiling is used for increased wrist pin lubrication. Pin bores are CNC precision-machined. Included 1.0, 1.0, 2.0mm Ring set Compression Ratio with 64cc Heads 10.8:1.