Scope of delivery: - 4 Wieseco forged pistons for Mini Cooper S R56 MK2 1.6L N12B16A N14B16A CR 9.8:1 ø 77.5mmDescription: - Bore 77.5mm - Pin 20mm pin - for connecting rod length 138.50mm - Forged piston - Compression ratio 9.8:1suitable for: - Mini Cooper S R56 MK2 1.6L N12B16A and N14B16A