Wesfil Air Filter WA959 Ultra-Select Strong internal components such as

Strong internal components such as springs and element assemblies

The Protex unique vane designs allow for better cooling to give you top performance at high braking temperatures

The sensor is crucial in the control of temperature-based functions performed by the ECU (eg spark and fuel timing

this product can be used straight from the box

either paper or rubber 'O' rings (sealing rings)

Wesfil Air Filter WA959 Ultra-Select Strong internal components such asThe extensive range of Wesfil air filters are a direct result of a wealth of technical and manufacturing expertise. Air filters play a huge role in maximizing engine efficiency and fuel economy. Continual research and development has led to a range of features designed to optimize vehicle performance.