JE Pistons and Rings 99.75 Bore 79mm Stroke 11.5 Comp 1997-1999 Subaru EJ25 DOHC

Part #: 314339. JE's designs are crafted for extreme uses, even in professional competitions. In such high - demand settings, high compression ratios, heavy boost, or significant nitrous use call for the 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. 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. 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 engine is the 1997 - 1999 Subaru EJ25 DOHC model. When installing, you don't need to deburr or prepare the dome/dish as it's ready to go. The package comes with everything you need, like the wrist pin and locks. For maintenance, keep the pistons and rings clean. Check them regularly for any signs of wear or damage. If you notice any issues, it's best to replace them. Avoid using these parts in engines they're not designed for. And always follow the proper installation procedures to get the best performance out of your engine.