Wossner M2 / M3 & M4 3.0 24v Single & Twin Turbo Forged Piston & H-Beam Steel Con Rod Package (K9506-6/G365-6)

Wossner Pistons

Wossner M2 / M3 & M4 3.0 24v Single & Twin Turbo Forged Piston & H-Beam Steel Con Rod Package (K9506-6/G365-6)

£2,250.83

M2 / M3 & M4 3.0 24v Single & Twin Turbo Forged Piston & H-Beam Steel Con Rod Package.

Manufacturer kit reference: K9506-6/G365-6

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

Engine Code	N55 , S55
YOM From	2010
YOM To	current
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

BMW N55/S55 H-Beam Connecting rods

Engine Code	N55 , S55
Con Rod Length C/C	144.3mm
Con Rod Big End Dia	53.6mm
Con Rod Big End Width	20.85mm
Con Rod Small End Dia	22mm
Con Rod Small End Width	9mm T
Con Rod Bolt	3/8"

Kit contents

M2 / M3 & M4 3.0 24v Single & Twin Turbo Forged Piston Kit
BMW N55/S55 H-Beam Connecting rods
ARP Bolt 3/8" Thread 1.5" UHL 2000 Series (4AJ1.500-2SU) × 12
ARP Assembly Lubricant (100-9908)

Piston specifications by size

Piston reference	Piston diameter	Compression ratio	Capacity
K9506D050-6	84.43mm		3014cc
K9506DA-6	83.93mm		2979cc

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

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