Front Oxygen Sensor WRX MY11-14 16608KA000 they utilize high tension tangless

they utilize high tension tangless pin circlips to ensure the clips stay in place even under the most extreme forces

Clutch Disc Diameter: 230mm (9in)

Cobb's battery tie down is machined from billet aluminum with a black anodizing and laser etched Cobb logo

When using an aftermarket belt

All EJ Engines

Front Oxygen Sensor WRX MY11-14 16608KA000 they utilize high tension tanglessThis sensor measures the oxygen content in the exhaust system pre catalyst. An oxygen sensor (or AF sensor) can establish the air fuel ratio by measuring the excess oxygen left over from the combustion process. The front air fuel (AF) sensor is used by the ECU for fuel calculations during closed loop fueling. A faulty sensor can result in poor engine operation or stalling and may set a CEL. Manufacturer Part No.: 22641AA590 NOTE: OEM (Original