CSF O-Series Radiator with Oil Cooler for EJ WRX/STi Select::02-07 WRX/04-07 STi (3076O) Each crankshaft features large radius

Each crankshaft features large radius journals for added rigidity

Each unit comes standard with a billet aluminum fuel ring that will allow you to bolt in your OEM fuel sending unit for in-tank pump operation or if you just want to keep your fuel level gauge functional

Evo 7/8/9 OEM Stud and Nut Kit

Hydraulic Conversion 05106-TD8R-SW Race

NUMBERS talk

CSF O-Series Radiator with Oil Cooler for EJ WRX/STi Select::02-07 WRX/04-07 STi (3076O) Each crankshaft features large radiusThe CSF "O" Series WRX STi aluminum radiators feature a liquid to oil cooler built into the bottom end tank. This makes the oil temp regulated by the thermostat of the cooling system. Available for 2002 2007 and 2008+ EJ WRX STi models. This radiator has a show quality polished finish and is a direct fit with all the OEM brackets, fittings, AC condenser, hoses and fan shrouds (only minor trimming needed at fitting locations). Vehicle Fitment: Part