SKU: jep291063 JE Pistons Subaru EJ257 Engine Kit - 99.5mm Bore, CR 8.5 (83mm Stroke)

JE Pistons Subaru EJ257 Engine Kit - 99.5mm Bore, CR 8.5 (83mm Stroke)

JE Pistons are meticulously engineered for high-performance applications, specifically designed to withstand extreme conditions like professional competition, high compression ratios, heavy nitrous usage, and extreme boost levels. Manufactured from 2618 aluminum, known for its superior tensile strength, these pistons are built to endure the demands of the most aggressive engines. Each piston is designed with application-specific forgings to optimize crown thickness and performance, ensuring maximum durability and reliability.

With features like a contact reduction groove, accumulator groove, and CNC-machined side relief, JE Pistons provide enhanced stability, reduced friction, and improved sealing for consistent power delivery. Whether you're building a custom application or upgrading your performance setup, JE Pistons deliver exceptional value and performance for professional-grade engines.

Important Note About Vehicle Fitment

Our vehicle fitment selection tool is currently in development, and we’re working hard to ensure the accuracy of our data. While most models and trims should be correct, there may be some instances where fitment information is incomplete or an alternative option is available.

If you’re unsure about the compatibility of a part with your vehicle, please don’t hesitate to reach out to us for assistance. Our team is here to help you find the perfect fit!