JE Pistons for Subaru STI EJ257 83mm Stroker 100mm Bore CR 8.5 KIT Set of 4 Pistons EBCS The Outfront Motorsports 775 Pocket

The Outfront Motorsports 775 Pocket Ported Cylinder Heads are the perfect performance head upgrade for the weekend racer

5mm to account for larger aftermarket turbochargers like the Boost Lab BL54XR

7 way Bosch Style Plug

Subaru circulates coolant under the turbo inlet to keep the venturi from freezing

Thick 1/2in CNC Cut Flanges and 14ga Tubing – Added durability and longevity

JE Pistons for Subaru STI EJ257 83mm Stroker 100mm Bore CR 8.5 KIT Set of 4 Pistons EBCS The Outfront Motorsports 775 PocketDIMS: 10. 25 x 5. 75 x 5. 5 SUB: Forged EJ Pistons As the leader in forged racing pistons, JE Pistons has applied over 75 years of experience to its wide range of premium forged pistons for European, import and sport compact applications. Engineered, forged and machined 100% in the USA, JE Pistons are designed for each specific engine and racing application to provide the ultimate combination of durability and performance. From drift track to drag