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Wossner Pistons

Wossner 2002TII 2.0 8v High Comp Forged Piston & H-Beam Steel Con Rod Package (K9399/G0353)

2002TII 2.0 8v High Comp Forged Piston & H-Beam Steel Con Rod Package.

Manufacturer kit reference: K9399/G0353

2002TII 2.0 8v High Comp Forged Piston Kit

Engine Code M10B20
YOM From 1968
YOM To 1979
Bore Size 89.2mm – K9399D020 , 89.5mm – K9399D050 , 89.75mm – K9399D075 , 89mm – K9399DA , 90mm – K9399D100
Stroke 80mm
Compression Height 43.5mm
OEM Comp Ratio 9.5:1
Number of Rings 3
OEM Rod Length 135mm
Clip Part Number CW22
Pin Size 22mm
Pin Part Number WP017
Cylinders 4
Valves Per Cylinder 2

BMW 2002 M10 H-Beam Connecting rods

Engine Code M10B20
Con Rod Length C/C 135.00mm
Con Rod Big End Dia 52mm
Con Rod Big End Width 23.9mm
Con Rod Small End Dia 22mm
Con Rod Small End Width 23.90mm
Con Rod Bolt 3/8"

Kit contents

  • 2002TII 2.0 8v High Comp Forged Piston Kit
  • BMW 2002 M10 H-Beam Connecting rods
  • ARP Bolt 3/8" Thread 1.5" UHL 2000 Series (4AJ1.500-2SU) × 8
  • ARP Assembly Lubricant (100-9908)

Piston specifications by size

Piston reference Piston diameter Compression ratio Capacity
K9399D100 89.93mm 12.04:1 2035cc
K9399D020 89.13mm 11.85:1 1999cc
K9399D050 89.43mm 11.92:1 2012cc
K9399D075 89.68mm 11.98:1 2024cc
K9399DA 88.93mm 11.8:1 1990cc

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

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