J361328 - JE PISTONS ULTRA SERIES 97.75" BORE FORDGED FITS SUBARU EJ25 4-SET

JE Pistons, Subaru 2004-2017 Impreza STI, Legacy GT/ Outback XT 2005-06 EJ257, Bore 99.75mm, Stroke 79mm, Rod Length 130.5mm, Dish -16.9cc, Grams 411, Set of 4

New high strength FSR forging design! JE Pistons new FSR forgings are both strong and lightweight! The new FSR design has undergone extensive on-track testing to ensure flawless performance under the most demanding conditions.

·        2618 T6 high tensile forged aluminium

·        Specifically engineered for high horsepower Subaru engines.

·        Dome and dishes feature smooth flowing radii for excellent flame travel.

·        1.2 x 1.2 x 2.5mm ring widths.

·        .905 x 2.250 straight wall carbon steel wrist pin provided.

·        Pin fitting and Tru Arc locks included

·        JE Pro Seal Rings Included

·        Piston Profile Matches EJ20 Chamber Profile

Compression Ratio:

·        8.5:1