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Subaru 2.5L EJ257 WRX/STi 9.0:1 Wossner Piston Kit
Subaru 2.5L EJ257 WRX/STi 9.0:1 Wossner Piston Kit

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Subaru 2.5L EJ257 WRX/STi 9.0:1 Wossner Piston Kit

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£589.88
SKU: K9550D050
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Description  

This Wössner forged piston kit is listed for Impreza WRX STI 2.5 16V Fast Road; Impreza WRX STI 2.0 16V. Catalogue reference: K9550D050. Selected bore size: 100mm.

Key specifications

  • Applications: Impreza WRX STI 2.5 16V Fast Road; Impreza WRX STI 2.0 16V
  • Manufacturer: Subaru
  • Engine code: EJ257
  • Year range: 2004–2008
  • Catalogue reference: K9550D050
  • Bore Size: 100mm
  • Product type: Forged Piston Kits
  • Kit Part Number: K9550
  • Stroke: 79mm
  • Compression Height: 30.7mm
  • OEM Comp Ratio: 8.4:1
  • OEM Rod Length: 130.5mm
  • Suits Wossner Con Rod: G0012
  • Pin Size: 23mm
  • Pin Part Number: WP024
  • Clip Part Number: CA23
  • Number of Rings: 3
  • Cylinders: 4
  • Valves Per Cylinder: 4
  • Con Rod Length Centre-to-centre: 130.5mm
  • Piston number: K9550D050

Fitment note: Compare the application, engine code, selected option and listed dimensions with your engine before ordering. Contact TSR Performance if you need a fitment check.

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