inc. GST

SKU: J314437

BRAND: JE Pistons

Subaru 02/05 Impreza WRX, EJ20
92.0mm bore, 75.0mm stroke, 130.5mm rod length, -11.0cc dome volume

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  • JE Pistons are specifically engineered for extreme applications up to, and including, professional competition. In this environment, the higher compression ratios, highest boost or heavy nitrous usage necessitate the higher tensile strength 2618 aluminum alloy.
  • Dome/Dish requires no deburring or preparation and feature smooth flowing radii for excellent flame travel.
  • Pin fitting, wire locks, and rings included.

Piston Specification:

  • Make: SUBARU
  • Engine: EJ SERIES
  • Bore Diameter: 92.00
  • Compression Height: 1.287
  • Compression Ratio with .028" Head Gasket: 8.5:1
  • Piston Volume: -11
  • Cylinder Head: EJ205 WRX
  • Piston Pin Outside Diameter: 0.905
  • Piston Pin Length: 2.250
  • Piston Pin Material: 5115
  • Ringset Included: Yes
  • Top Compression Ring Thickness: 0.04
  • Second Compression Ring Thickness: 0.048
  • Oil Ring Thickness: 0.111
  • Piston Material: 2618
  • Forging Type: FSR
  • Piston Avg Weight: 359
  • Pin Wall Thickness: 0.180
  • Piston Type: Dish

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