Oil Filter Socket is precise 66.5mm sizeWorks on all 2003-current Subaru vehicles with the 2.5L Turbo engine, including the WRX and Forester modelsMetal construction for durabilityHelps in replacing the oil filter without the technician burning his or her handsSaves the technician time and makes the job saferSubaru 2.5L Turbo Oil Filter Socket is precise 66.5mm size. The oil filter is found behind the exhaust manifold. This socket is needed to remove and replace the oil filter without the technician burning his or her hands.