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

Part #: 314339. JE's piston and ring designs are engineered for extreme use, even in professional competitions. In high - stress scenarios with high compression ratios, high boost, or heavy nitrous use, the 2618 aluminum alloy with high tensile strength is a must - have. Fitment: Ideal for SUBARU EJ25 DOHC from 1997 to 1999. STD Bore: 99.5mm, Deck Clearance is '0', and Compression is calculated with a .054' Head Gasket. Features: No deburring or prep needed for the Dome/Dish. 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. 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 includes 4 pistons and 4 rings.

Using these JE pistons and rings is straightforward. First, make sure your engine is clean and free of debris. Carefully install the pistons and rings following the manufacturer's guidelines. Remember to use the provided wrist pin, pin fitting, and Tru - Arc locks. When it comes to maintenance, regularly check the pistons and rings for wear and tear. Keep the engine well - lubricated to prevent overheating and damage. Also, use high - quality fuel to ensure optimal performance. If you notice any unusual noises or a drop in performance, it's a good idea to have your engine inspected. Avoid using excessive nitrous or boost beyond the recommended levels to extend the lifespan of these components.