Wiseco Subaru EJ257 WRX/STI 4v Dish -15cc 99.75 Piston Shelf Stock Kit

Forged from 2618 aluminum, these Wiseco pistons are built for the demands of serious racing and heavy-duty performance applications. The 2618 alloy offers improved tensile strength, making these pistons a solid choice when you're pushing your Subaru EJ257 engine to its limits. Each piston features a -15cc dish, a 99.75mm bore, and a 30.70mm compression height, with a 0.9055 inch pin diameter. This set is designed for Sport Compact applications and includes four pistons.

Wiseco machines these pistons in the USA, paying close attention to details like precision ring grooves and anti-detonation grooves. They've also included additional features to improve ring seal, ensuring efficient combustion. The fully machined crown and forced pin oiling are further enhancements that contribute to their durability and performance under severe operating conditions. For added longevity and reduced friction, these pistons come with an ArmorGlide skirt coating, which helps resist seizure and quiets operation.

This kit is intended for builders who are serious about performance and durability. Please note that these pistons are not CARB approved and cannot be shipped to California. Always refer to the manufacturer's installation instructions for proper fitment and assembly procedures.