JE Pistons and Rings 99.75 Bore 79mm Stroke 9.5:1 Comp Subaru WRX / STI EJ257 2004-2021 Impreza_1993-2000 2200cc High-Flow Delivery – Provides

2200cc High-Flow Delivery – Provides increased fueling capacity for performance engines

Ensure its purity with a cost effective solution

The front end will lift up when accelerating and dive to the ground when braking aggressively

The kit also features a heat shield and adhesive heat barrier to minimize power loss as a result of heat soak

JE Pistons and Rings 99.75 Bore 79mm Stroke 9.5:1 Comp Subaru WRX / STI EJ257 2004-2021 Impreza_1993-2000 2200cc High-Flow Delivery – ProvidesPart #: 310937 JE piston designs are specifically engineered for extreme applications up to, and including, professional competition Subaru WRX and STI. In this environment, the higher compression ratios, highest boost or heavy nitrous usage necessitate the higher tensile strength 2618 aluminum alloy. Fitment: SUBARU EJ257 TIME ATTACK "FSR" NOTE: NOW COMPATIBLE WITH EITHER OEM OR AFTERMARKET RODS! SOME BLOCKS MAY REQURE CLEARANCING FOR STROKER