JE Pistons and Rings 99.75 Bore 83mm Stroke 8.5:1 Comp Subaru WRX / STI EJ257 2004-2021

Part #: 296352. JE piston and ring sets are expertly crafted for extreme - use Subaru WRX and STI vehicles, even for professional competitions. In high - stress scenarios like high compression ratios, high boost, or heavy nitrous use, the 2618 aluminum alloy with high tensile strength is a must. Fitment includes SUBARU 2004+ IMPREZA STI, 2005+ FORESTER XT, LEGACY GT, and 2006+ WRX EJ257. Key features: 2618 T6 high - tensile forged aluminum; dome and dishes with smooth radii for great flame travel; 1.2 x 1.2 x 2.5mm ring widths; a .905 x 2.500 straight - wall carbon steel wrist pin; pin fitting and wire locks; comes with 4 pistons and 4 rings.

Using these JE pistons and rings is straightforward. First, make sure your Subaru WRX or STI engine is clean and ready for installation. Carefully place the pistons and rings in the right positions as per your engine's specifications. When installing the wrist pin and wire locks, be gentle to avoid any damage. During use, avoid over - revving your engine and keep an eye on the engine temperature. For maintenance, regularly check the pistons and rings for any signs of wear or damage. If you notice anything unusual, it's best to have a professional mechanic take a look. Also, follow your vehicle's regular maintenance schedule to keep your engine in top shape.