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Wossner Pistons

Wossner Cooper 2.0 16v Turbo N20 Forged Piston Kit (K9506)

Cooper 2.0 16v Turbo N20 Forged Piston Kit.

Manufacturer kit reference: K9506

Technical specifications

Engine Code N20B20
YOM From 2011
YOM To 2017
Bore Size 84.5mm – K9506D050 , 84mm – K9506DA
Stroke 89.6mm
Compression Height 32.5mm
OEM Comp Ratio 10:01
Number of Rings 3
OEM Rod Length 144.35mm
Clip Part Number CW22
Pin Size 22mm
Pin Part Number WP136-SP
Cylinders 4
Valves Per Cylinder 4

Piston specifications by size

Piston reference Piston diameter Compression ratio Capacity
K9506D050 84.43mm 10.0:1 2009cc
K9506DA 83.93mm 10.0:1 1996cc

Piston diameter and cylinder bore are different measurements. Select the correct size and confirm the engine specification before ordering.

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