JE Pistons SUB STI EJ257 99.75mm Bore CR 8.5 KIT Set of 4 Pistons

The JE Pistons SUB STI EJ257 99.75mm Bore CR 8.5 KIT Set of 4 Pistons is a high-performance forged piston set designed specifically for Subaru STI EJ257 engines. Crafted with over 75 years of expertise, JE Pistons offers a product engineered, forged, and machined entirely in the USA to deliver exceptional durability and performance. These pistons are tailored for racing and high-stress applications, providing a reliable upgrade for demanding motorsports or high-performance builds. Their design ensures optimal strength and heat resistance, making them suitable for both track and street use. The set includes four pistons, each precisely manufactured to meet the specifications of the EJ257 engine, ensuring a perfect fit and consistent performance.

This piston kit is compatible with Subaru STI models equipped with the EJ257 engine, typically found in models from the early 2000s onward. It is intended for use in performance applications such as racing, drifting, or high-performance street builds, where durability and power are critical. The kit is a direct replacement for stock pistons, offering a straightforward upgrade for enthusiasts seeking increased strength and reliability. Installation requires standard engine assembly procedures, and these pistons are designed to work with the stock or upgraded components of the EJ257 engine. Ideal for race, track, or high-performance street driving, this set enhances engine performance and longevity.