CSF Racing Radiator w/ Built-in Oil Cooler and Sandwich Plate - Subaru WRX / STI 2002-2007 135i exhaust Our billet fork was designed

Our billet fork was designed utilizing advanced FEA (Finite Element Analysis) software to dramatically increase strength

Does not oscillate AFR reading like narrow band sensors

Center bore: 73

a direct fit axle that will with stand the most violent launches

CSF Racing Radiator w/ Built-in Oil Cooler and Sandwich Plate - Subaru WRX / STI 2002-2007 135i exhaust Our billet fork was designedCSF is one of the key players in the radiator industry. They design, test, and fabricate radiators that are built to the same standards as your factory OEM unit in your vehicle. If youre experiencing any leaking, or if your radiator is warped and damaged, you risk putting your engine through some serious problems such as overheating which can lead to a myriad of headaches and repair builds. Additionally this radiator features a 4 plate liquid to oil