Wiseco Forged Pistons for Subaru EJ257 Engines Complete Set

* Due to national supply shortages, piston orders may have unforeseen delays. If urgent, please email support@speedfactoryracing.net or contact the manufacturer directly" *

Subaru may not have invented the boxer engine, but many would say they perfected it. With a long and cherished motorsport history, the Subaru EJ has collected millions of fans worldwide. The 2.5L EJ257 has been found in the WRX/STI for nearly two decades and since then it has been a major boxer platform for big horsepower builds. Whether you are cranking up the boost on your WRX, or swapping it into a rail buggy, these Wiseco pistons are sure to unlock the potential of your Subaru EJ

Wiseco pistons for the Subaru EJ257 are designed to promote increased strength, consistent power, and have impressive durability, featuring:

Bore: 99.55mm

Compression Height: 30.70mm

Dome/Dish: -19cc

• Engineered, forged and machined in the USA from 2618 aluminum for increased tensile strength
needed in boosted applications
• Accumulator groove to help maintain consistent ring seal and power
• ArmorGlide skirt coating reduces operating friction and noise while also reducing skirt and cylinder
wear
• Additional lightening operations in non-critical areas help reduce weight while maintaining strength
• Each piston kit includes premium ring sets with gas nitrided top rings