Mahle MS Piston Set H22 87.00mm Bore 90.0mm Stroke 143mm Rod 22mm Pin 10cc 11.5 CR Set of 4

Mahle pistons were designed as a completely finished drop in forged 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. Forged from 4032 low expansion aluminum alloy for high strength and reduced piston to wall clearance. Forced Pin Oiler is used for increased wrist pin lubrication. Pin bores are CNC precision-machined. 22mm High-Quality Steel Wrist Pin (103g), Performance 1.2, 1.2, 2.8mm performance ring set, steel nitrided top ring, and Race Proven Round Wire Locks are included.

Compression Ratio with 54cc Heads 12.0:1.
***Replaces part number H22220425D10***