HKS Billet Oil Filler Cap - M42 X P4.5 Engine cover Utilising world leading springs for

Utilising world leading springs for more precise operation and consistency

Whilst the stock valve will operate as designed

Beautiful carbon fiber construction with same level of pride and craftsmanship put into the high-spec aerodynamic parts

The aftermarket system also improves the airflow by adding a high-flow

Look aesthetically pleasing and enhances the look of your engine bay

HKS Billet Oil Filler Cap - M42 X P4.5 Engine cover Utilising world leading springs for"Billet Oil Filler Cap" for engine compartment dress up in a simple way. This HKS Billet Oil Filler Cap is made of aluminum alloy (Duralumin) with red Alumite treatment. It accentuates the engine compartment.