SKU: 79748071378

Forged Pistons Wossner Subaru Impreza WRX STI EJ257 (04-08) 100MM 8,0:1

Sale price$398.87 Regular price$443.19
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Ships within 48 hours · Estimated delivery Jul 18 - Jul 23

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Description

Forged Pistons Wossner Subaru Impreza WRX STI EJ257 (04-08) 100MM 8,0:1Wossner pistons are made from dedicated forgings produced in house to give you a light weight piston with superior strength and optimal design. Being the multivalve piston technology leader, the line features specially designed valve pockets, complex dome and crown shapes, the steel nitride napier xx rings and optimized skirt profiles. Most OEM pistons have pin offset to keep the piston quiet. Only Wiseco does this with forged pistons. Complete with

Wossner pistons are made from dedicated forgings produced in-house to give you a light weight piston with superior strength and optimal design.

Being the multivalve piston technology leader, the line features specially designed valve pockets, complex dome and crown shapes, the steel nitride/napier xx rings and optimized skirt profiles.

Most OEM pistons have pin offset to keep the piston quiet. Only Wiseco does this with forged pistons.

Complete with rings, wristpins & locks, and specification sheets.

Product detailed specification

Bore size

100,00mm

Stroke

79,00mm

Wossner compression ratio (CR)

8,0:1

Rod Lgth.

130,5mm

Dome volume (CC)

  -25,3

Comp Ht.

  30,7mm

Pin diameter

   23mm

Fits for

Subaru Impreza WRX STI EJ257 (2004-2008)

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 79748071378

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Reviewed in the United States on November 14, 2025
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mad hatter
Lowell, US
★★★★★ 5
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