JE Pistons 99.5mm 8.5:1 Piston Kit For Subaru Impreza WRX STI EJ257 Engine

JE Pistons 99.5mm 8.5:1 Piston Kit For Subaru Impreza WRX STI EJ257 Engine

The JE Pistons 99.5mm 8.5:1 Piston Kit is engineered specifically for the Subaru Impreza WRX STI equipped with the EJ257 engine. This high-performance piston kit is designed to enhance the overall efficiency and power output of your vehicle. The reduced compression ratio of 8.5:1 allows for improved reliability when running higher boost levels, making it an ideal choice for those who engage in serious tuning or racing applications.

JE Pistons is recognized for their commitment to quality and precision engineering, and this piston kit exemplifies that ethos. Crafted from high-quality aluminum alloy, these pistons are designed to withstand the extreme conditions found in high-performance engines. The 99.5mm diameter ensures a proper fit within the cylinder, promoting optimal combustion efficiency and minimizing unwanted engine knock, which can significantly impact performance and longevity.

FITMENT:
This piston kit is compatible exclusively with the Subaru Impreza WRX STI models utilizing the EJ257 engine. It is perfectly suited for enthusiasts looking to upgrade or replace their engine components with high-quality performance parts.

Key Features & Benefits

• 99.5mm piston diameter for precise fit and enhanced performance.
• Compression ratio of 8.5:1 allows for increased boost levels and reliability.
• High-quality aluminum alloy construction for durability and longevity.
• Designed specifically for Subaru Impreza WRX STI EJ257 engine applications.
• Improved combustion efficiency and reduction in engine knock.

Shipping. Free on every order, US only. Orders arrive in 2–4 days.

Returns. 30-day returns, except in extreme cases.

Support. Our team is available 24/7 for fitment mismatches or any other reason.

Warranty. Full manufacturer guarantee.