HKS Billet Oil Filler Cap - M42 X P4.5 Engine cover this is to ensure the

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

Incorporating a silicone structure that is much more durable against high heat and high pressure

CUSCO succeeded to balance smooth operation

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

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

HKS Billet Oil Filler Cap - M42 X P4.5 Engine cover this is to ensure the"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.