2200cc SouthBay Fuel Injectors utilize high impedance Bosch injector cores compatible with most fuels except for oxygenated fuels with MTBE. No resistor box required. SouthBay Fuel Injectors rated at 43.5psi (3Bar). 2200cc maintain precise control of fuel delivery and atomization for more power and better throttle response. Flow matched dynamically to within ±1%. Will flow more fuel at higher pressures. The matching process with the fast response and linearity produces amazing idle qualities. Extension, clips, and flow data included. SouthBay Fuel Injectors for high performance off-road applications. 2200cc Bosch injectors are covered by defects by original manufacture by our lifetime warranty.