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M2 / M3 & M4 3.0 24v Single & Twin Turbo Forged Piston Kit

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£1,061.79
SKU: K9506DA-6
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Additional information

Manufacturer

BMW

Kit Part Number

K9506-6

Engine Code

N55, S55

YOM From

2010

YOM To

current

Piston number

K9506-6

Bore Size

84.5mm – K9506D050-6, 84mm – K9506DA-6

Stroke

86.9mm

Compression Height

32.5mm

OEM Comp Ratio

10.0:1 – S55, 11.0:1 – N55

Number of Rings

3

OEM Rod Length

144.35mm

Clip Part Number

CW22

Pin Size

22mm

Pin Part Number

WP136-SP

Cylinders

6

Valves Per Cylinder

4

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