JE Pistons and Rings 99.75 Bore 79mm Stroke 8.5 Comp 1999+ Subaru EJ25 SOHC

Part #: 314342. JE pistons and rings are expertly crafted for extreme applications, even professional competitions. In high - stress scenarios with high compression ratios, heavy boost, or significant nitrous use, the 2618 aluminum alloy with high tensile strength is a must. Fitment: Suitable for SUBARU EJ25 SOHC models from 1999 onwards. The standard bore is 99.5mm, and the deck clearance is.015 below deck. Features: The dome/dish needs no deburring or prep work. Made of 2618 T6 high - tensile forged aluminum. The dome and dishes have smooth radii for great flame travel. Ring widths are 1.2 x 1.2 x 2.5mm. It comes with a.905 x 2.500 (Round Forging) and.905 x 2.250” (FSR Forging) straight - wall carbon steel wrist pin. Pin fitting and Tru - Arc locks are included. The set contains 4 pistons and 4 rings.

Using these JE pistons and rings is straightforward. First, make sure your Subaru EJ25 SOHC engine from 1999 or later is clean and free of debris. Install the pistons and rings carefully, following the standard engine assembly procedures. Since these are designed for extreme applications, avoid using them in normal, low - stress situations as it may not fully utilize their capabilities. When it comes to maintenance, regularly check the pistons and rings for signs of wear. If you notice any unusual noises or a drop in engine performance, it might be time to inspect them. Also, keep the engine well - lubricated to ensure smooth operation and extend the lifespan of these components.