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  • JE Shelf Pistons 99.5mm Bore 9.5:1 CR | 2004-2015 Subaru STi EJ257 (310936)

    PART# JEP 310936
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    $ 566.04

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    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

    • 2004-2015 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

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