JE Pistons for Subaru STI EJ257 83mm Stroker 99.75mm Bore CR 8.5 KIT Set of 4 Pistons Dipsticks Oil containment baffle prevents oil

Oil containment baffle prevents oil starvation

Pin 2: Ground

The added benefit of a Onboard Digital Wideband Lambda Controller means higher accuracy of the unit

Up to 6D Fuel Mapping (3D Fuel Table + 3x3D Overlay trim tables)

This additional measure allows for greater gasket sealing which results in increased performance

JE Pistons for Subaru STI EJ257 83mm Stroker 99.75mm Bore CR 8.5 KIT Set of 4 Pistons Dipsticks Oil containment baffle prevents oilDIMS: 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