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JE Shelf Pistons 99.5mm Bore 8.5:1 CR | 2004-2015 Subaru STI (EJ25 w/EJ20 Heads) (291059) - Modern Automotive Performance


JE Pistons

JE Shelf Pistons 99.5mm Bore 8.5:1 CR | 2004-2015 Subaru STI EJ25 w/EJ20 Heads

PART# JEP 291059
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$690.99   $1,441.03
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99.5mm Pistons for Subaru EJ25 w/ EJ20 Heads

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: 8.5:1
  • Bore: 99.5mm
  • Gram Weight: 411
  • Dome CC: -25.5
  • Head CC: 48.0
  • 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.
  • Piston Profile Matches EJ20 Chamber Profile. No Cylinder Head Mofications Necessary.

 

Applications

  • 2004-2015 Subaru STI
  • Notes: Designed for EJ257 Motor with EJ20 Heads

    What's in the box?

    • (4) Pistons
    • 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

    99.5mm Pistons for Subaru EJ25 w/ EJ20 Heads

    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: 8.5:1
    • Bore: 99.5mm
    • Gram Weight: 411
    • Dome CC: -25.5
    • Head CC: 48.0
    • 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.
    • Piston Profile Matches EJ20 Chamber Profile. No Cylinder Head Mofications Necessary.

     

    Applications

    • 2004-2015 Subaru STI
    • Notes: Designed for EJ257 Motor with EJ20 Heads

      What's in the box?

      • (4) Pistons
      • 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

      Customer Reviews

      Based on 1 review
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      J
      Jeremy
      Quality from JE as expected

      high quality pistons for good street/strip use

      MAP Limited Lifetime Warranty

      1.) All MAPerformance in-house fabricated parts include a Limited Lifetime Warranty for the Original Purchaser. This warranty only applies to the original purchaser and is non-transferrable. If the product fails it would need to be determined by MAPerformance that it is due to manufacturing defects in materials or workmanship.

      2.) This does not cover normal wear and tear. Improper use, modification, or abuse voids this warranty. MAPerformance will not be held responsible for additional costs due to the failure of a product (cost of sale, towing, labor, etc.). Warranty claims must be submitted to MAPerformance for review.

      3.) You must create a support ticket to acquire your return authorization number prior to returning the product.

      4.) Warranty claims will not be honored if the product was not purchased through an approved dealer.

      For warranty evaluation please create a support ticket via this form Click Here For Customer Service.