SKU: jep296348 JE Pistons Subaru STI Engine Kit - 99.75mm Bore, CR 8.5

JE Pistons Subaru STI Engine Kit - 99.75mm Bore, CR 8.5

JE Pistons are engineered for extreme applications, including professional competition, where higher compression ratios, extreme boost levels, and heavy nitrous usage demand unparalleled durability. Made from 2618 aluminum alloy, these pistons feature high tensile strength, designed to withstand the most demanding performance environments. Each piston is crafted using application-specific forgings to ensure optimized, uniform crown thickness, while the forged side relief design minimizes friction and power loss. With honed pin bores, double pressure-fed pin oilers, and wire locks included, JE Pistons provide unmatched reliability and performance.

With precision engineering and a focus on durability, JE Pistons are the ultimate choice for high-performance applications, ensuring long-lasting power and consistent performance under extreme conditions.

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!