HKS Billet Oil Filler Cap - M42 X P4.5 Engine cover CUSCO succeeded to balance smooth

CUSCO succeeded to balance smooth operation

this is to ensure the transition is as smooth as possible from the inlet tract to the turbo

we found something more was needed on stage 1 and 2 tuned vehicles

These hoses are Fluro-silicone lined to allow safe use with OAT type coolants

Utilising world leading springs for more precise operation and consistency

HKS Billet Oil Filler Cap - M42 X P4.5 Engine cover CUSCO succeeded to balance smooth"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.