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• Type: Piston Set

The JE Pistons Forged Piston Kit is designed for Subaru EJ257 blocks with EJ20 heads, featuring a 99.75mm (3.927") bore and an 8.5:1 compression ratio. Manufactured from high-strength 2618 aluminum, these pistons are built for high-performance applications, offering durability and optimized performance. The proprietary Forged Side Relief (FSR) design reduces friction and minimizes power loss, while the skirt coating helps lower wear and operating noise. Some applications include an accumulator groove to improve ring seal and reduce ring flutter. The kit includes high-quality wrist pins, locks, and JE Pro Seal premium piston rings. JE Pistons applies decades of expertise in racing piston design, ensuring reliability and performance for demanding motorsport applications. This set includes four pistons engineered to withstand the rigors of high-horsepower builds.