Mini 1.6 Cooper S

Mahle Motorsport Forged Piston Set - 0.5mm Oversize

Fits Models: Hatch (R56), Clubman (R55), Convertible (R57) & Coupe (R58)

Engine Codes: N14B16A, N14B16AB

OEM Numbers: 11257540609 & 11257566019

Bore Size: 77.50 mm

Compression Height (CH): 28.5 mm

Stroke: 85.8 mm

Connecting Rod Length: 138.2 mm

Wrist Pin Diameter: 20 mm

Crown Volume: -1.1 cc

Piston Weight: 273 g

Compression Ratio (CR): 10.3:1

Material: M142P Forged Alloy

Mahle Motorsport forged pistons designed for Mini Cooper S and JCW models with the N14 turbocharged engine.

Featuring lightweight M142P forged construction for exceptional strength, reduced friction, and improved thermal stability.

Ideal for high-performance, tuned, or motorsport applications requiring superior reliability and precision.

Please see the tabs above for more information.

Free next-day delivery - UK Mainland only

Fast Worldwide Shipping

If you require any assistance or would like to ask any questions, please contact us