Mahle Pistons 930212555 Forged Dome 4.155 Bore SB Chevy 407

Mahle pistons were designed as a completely finished drop in forged piston assembly. Other than filling the included performance 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 2618 aluminum alloy for added strength and detonation resistance. Forced Pin Oiling is used for increased wrist pin lubrication. Pin bores are CNC precision-machined. .927" High-Quality Steel Wrist Pin (118g), Performance 1.0, 1.0, 2.0mm rings, and Race Proven Round Wire Locks are included.

Compression Ratio with 64cc Heads 13.1:1.
***Replaces part number SBC125155D04***