Synchrotech GSR Turbo Pro Series 1-4 Gear Set O2 Sensors IS176-2150H - Subaru STI '04-'06

IS176-2150H - Subaru STI '04-'06 & Legacy GT '05-'06 Fuel Injector Clinic Injector Set: 4x2150cc Saturated / High Impedance Injectors

(ONLY fits original tumblers with FIC top feed fuel rail conversion RL STI)

If the user claims the board is malfunctioning we must receive the entire ECU in for RMA to inspect your installation

Positive locking connectors

Even increasing drivability with smoother idle

Synchrotech GSR Turbo Pro Series 1-4 Gear Set O2 Sensors IS176-2150H - Subaru STI '04-'06These gears are direct fitment for the 94 01 GSR. They are designed with a longer 1st for a better launch and 2 4 ratios that are perfect for a Turbo B series. The OEM GSR main shaft and 5th gears can be reused or the 5th gears can be replaced with a MFactory shaft brace. The 3rd and 4th gears are designed with a replaceable synchro gear cone. Even when you damage the engagement teeth from a mis shift, you can replace this part without needing a whole