JE Pistons and Rings 100 Bore 79mm Stroke 8.5 Comp 1997-1999 Subaru EJ25 DOHC

Part #: 314337

JE designs 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.

Fitment:

SUBARU EJ25 DOHC 1997-1999
STD Bore: 99.5mm
Deck Clearance is "0"
Compression is calculated with .054" Head Gasket

Features:

Dome/Dish requires no deburring or preparation

2618 T6 high tensile forged aluminum

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

1.2 x 1.2 x 2.5mm ring widths.

.905 x 2.500 (Round Forging) and .905 x 2.250” (FSR Forging) straight wall carbon steel wrist pin provided.

Pin fitting and Tru-Arc locks included

Includes 4 piston / 4 rings