JE Pistons for Subaru STI EJ257 83mm Stroker 99.75mm Bore CR 8.5 KIT Set of 4 Pistons Dipsticks Injection Rate Control for Group

Injection Rate Control for Group Injection Modes

the not-equal length exhaust manifold can lead the efficiency of other cylinders

Selectable cut effect (adaptive or constant)

Operating Temp -20 - 100 deg

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

JE Pistons for Subaru STI EJ257 83mm Stroker 99.75mm Bore CR 8.5 KIT Set of 4 Pistons Dipsticks Injection Rate Control for GroupDIMS: 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