JE Shelf Pistons 99.5mm Bore 9.5:1 CR | 2004-2021 Subaru STI EJ257 with EJ20 Head (310936)

JE Pistons
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$821.79

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JE Pistons 99.5mm Bore for Subaru EJ257

JE Pistons new FSR forgings for the 2004-2015 Subaru STI EJ257 engine with EJ20 heads are both strong and lightweight! The new FSR design has undergone extensive on-track testing to ensure flawless performance under the most demanding conditions.

Features

  • 2618 T6 high tensile forged aluminum
  • Comp Ratio: 9.5:1
  • Bore: 99.5mm
  • Gram Weight: 423
  • Dome CC: -7.0
  • Head CC: 57.0
  • Stroke: 79mm
  • Rod: 130.5mm

Benefits

  • Specifically engineered for high horsepower Subaru engines
  • Dome and dishes feature smooth flowing radii for excellent flame travel
  • Pin fitting and Tru Arc locks included
  • JE Pro Seal Rings Included
  • Standard Stroke Series now compatible with either OEM or aftermarket rods!

Applications

  • 2004-2021 Subaru STI
    Notes: Designed for EJ257 Motor with EJ20 Heads

What's in the box?

  • Piston Set
  • Pin fitting and Tru Arc locks included
  • JE Pro Seal Rings Included
  • .905 x 2.250 straight wall carbon steel wrist pin

Warranty

  • Manufacturer Standard Warranty

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