JE Pistons and Rings 99.5 Bore 79mm Stroke 8.5 Comp 1999+ Subaru EJ25 SOHC

Part #: 314341. JE's designs are tailor - made for extreme applications, even professional competitions. In high - demand scenarios like high compression ratios, high boost, or heavy nitrous usage, the 2618 aluminum alloy with high tensile strength is a must. Fitment: Ideal for SUBARU EJ25 SOHC models from 1999 onwards. It has a STD bore of 99.5mm and a deck clearance of .015 below the deck. Features: No need to deburr or prepare the dome/dish. Crafted from 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. 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 this JE pistons and rings set is straightforward. First, make sure your SUBARU EJ25 SOHC engine (1999+) is clean and ready for installation. When installing the pistons, handle them carefully as they are made of high - quality 2618 T6 forged aluminum. The included wrist pin and Tru - Arc locks should be installed according to the standard procedures. During use, keep an eye on the engine's performance and make sure it runs within the recommended parameters. For maintenance, regularly check the pistons and rings for any signs of wear. If you notice any abnormal noise or reduced performance, it might be time to inspect the set. Also, make sure to follow the general engine maintenance schedule recommended by Subaru for the best results.