JE Pistons and Rings 99.75 Bore 79mm Stroke 8.5 Comp 1997-1999 Subaru EJ25 DOHC

Part #: 314336. JE pistons and rings are specially engineered for extreme use, even in professional competitions. For high - compression ratios, maximum boost, or heavy nitrous applications, they're made from 2618 aluminum alloy with high tensile strength. Fitment: 1997 - 1999 SUBARU EJ25 DOHC. STD Bore is 99.5mm, deck clearance is '0', and 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 pins. Pin fitting and Tru - Arc locks are included. 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 clean and ready for installation. When installing, take care to align the pistons correctly and fit the rings as per the specifications. Remember, these are designed for extreme applications, so they can handle high - compression and boost. But be cautious with nitrous usage; don't overdo it. For maintenance, regularly check the pistons and rings for wear. After long - term use or high - stress applications, it's a good idea to inspect the parts closely. If you notice any signs of damage, replace the components promptly. Also, keep the engine well - lubricated to ensure smooth operation and longevity of these parts.