SKU: jep291059 JE Pistons Subaru STI Engine Kit - 99.5mm Bore, CR 8.5, EJ257 Block & EJ20 Head Integration

JE Pistons Subaru STI Engine Kit - 99.5mm Bore, CR 8.5, EJ257 Block & EJ20 Head Integration

As the leader in forged racing pistons, JE Pistons brings over 75 years of engineering expertise to its line of premium pistons, designed specifically for European, import, and sport compact applications. Manufactured 100% in the USA, each piston is crafted with precision using 2618 aluminum to provide superior tensile strength for high-performance demands. Whether on the drift track or drag strip, JE Pistons are proven in victory lane, offering the perfect balance of durability and performance for every engine application.

Engineered for optimal performance, JE Pistons feature a proprietary Forged Side Relief (FSR) design that reduces friction and minimizes power loss, while saving weight. With skirt coatings that reduce wear and operating noise, and accumulator grooves that enhance ring seal and performance, JE Pistons are designed to meet the rigorous demands of competitive racing. Equip your engine with the best in forged pistons and experience unmatched power and reliability.