JE Pistons and Rings 100 Bore 79mm Stroke 8.5:1 Comp Subaru WRX / STI EJ257 2004-2021

Part #: 291062. JE piston and ring sets are expertly crafted for extreme scenarios, including professional competitions for your Subaru WRX and STI. In high - demand situations with high compression ratios, maximum boost, or heavy nitrous use, the 2618 aluminum alloy with high tensile strength is a must - have. Fitment: Ideal for SUBARU 2004+ IMPREZA STI, 2005+ FORESTER XT, LEGACY GT, and 2006+ WRX EJ257. Key Features: 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 straight - wall carbon steel wrist pin. Pin fitting and wire locks are included. Each set has 4 pistons and 4 rings.

Using this JE pistons and rings set is straightforward. First, make sure your engine is properly cleaned and prepped before installation. When installing, handle the pistons and rings with care to avoid any damage. As for maintenance, regularly check the pistons and rings for signs of wear or damage. After long - term use or extreme driving conditions, it's a good idea to have them inspected by a professional. Keep the engine oil clean and at the right level to ensure smooth operation and extend the lifespan of the pistons and rings. Remember, don't use excessive force during installation and always follow the manufacturer's guidelines.