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 2618 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. 23mm High-Quality Steel Wrist Pin.
Compression Ratio 54cc 8.9:1.
***Replaces part number S2K181425P11***
***For Use In Factory FRM (Fiber Reinforced Matrix) Cylinders Only***