JE Pistons and Rings 99.5 Bore 79mm Stroke 8.5 Comp 1997-1999 Subaru EJ25 DOHC

Part #: 314335. JE pistons and rings are engineered for extreme applications, even professional competition. For high - compression ratios, high boost, or heavy nitrous use, they're made of 2618 aluminum alloy with high tensile strength. Fitment: 1997 - 1999 SUBARU EJ25 DOHC, STD Bore 99.5mm, Deck Clearance '0', Compression calculated with.054' Head Gasket. Features: No deburring or prep needed for dome/dish; 2618 T6 high - tensile forged aluminum; Smooth radii on dome and dishes for great flame travel; 1.2 x 1.2 x 2.5mm ring widths; Straight - wall carbon steel wrist pin provided in.905 x 2.500 (Round Forging) and.905 x 2.250” (FSR Forging); Pin fitting and Tru - Arc locks included; Comes with 4 pistons and 4 rings.

Using these JE pistons and rings is straightforward. First, make sure your engine is the 1997 - 1999 SUBARU EJ25 DOHC with a 99.5mm STD bore. When installing, you don't need to deburr or prepare the dome/dish. The smooth radii on the dome and dishes help the flame travel well during combustion. Be careful when handling the wrist pins and use the provided pin fitting and Tru - Arc locks. For maintenance, regularly check the rings for wear and tear. If you notice any issues like reduced engine performance, it might be time to inspect or replace the pistons and rings. Keep them clean and lubricated for optimal performance.