JE Pistons and Rings 100 Bore 79mm Stroke 11.5 Comp 1997-1999 Subaru EJ25 DOHC

Part #: 314340. JE pistons and rings are expertly designed for extreme applications, even professional competitions. For high compression ratios, high boost, or heavy nitrous use, we use 2618 aluminum alloy with high tensile strength. Fitment: 1997 - 1999 SUBARU EJ25 DOHC. STD Bore: 99.5mm. Deck Clearance is '0'. Compression is calculated with a .054' Head Gasket. Features: No deburring or prep needed for dome/dish. Made of 2618 T6 high - tensile forged aluminum. Dome and dishes have smooth radii for great flame travel. Ring widths are 1.2 x 1.2 x 2.5mm. Comes with .905 x 2.500 (Round Forging) and .905 x 2.250” (FSR Forging) straight - wall carbon steel wrist pin. Includes pin fitting and Tru - Arc locks. Package has 4 pistons and 4 rings.

Using these JE pistons and rings is straightforward. First, make sure your 1997 - 1999 Subaru EJ25 DOHC engine is in good condition and ready for installation. The pistons don't need any deburring or preparation, so you can directly install them. When installing, be careful with the wrist pins and Tru - Arc locks. For maintenance, regularly check the pistons and rings for wear and tear. If you notice any signs of damage, it's best to replace them. Also, keep the engine clean and use high - quality engine oil. Avoid using extremely high boost or heavy nitrous for long periods as it may increase the wear on the pistons and rings.