Hybrid Racing RBC Thermal Throttle Body Gasket 4-2-1 CERAMIC HEADER engine bench testing

engine bench testing

this was designed for competition but works perfectly in your street car

B compliant

mandrel bends

8L is designed to improve performance and increase throttle response

Hybrid Racing RBC Thermal Throttle Body Gasket 4-2-1 CERAMIC HEADER engine bench testingReduce intake air temperatures with the help of our thermal throttle body gaskets. Made of a special insulating material, this gasket helps reduce heat transfer from the engine bay to intake air providing an increase in power. This gasket features the stock bore but has an easily removable section to bump the bore up to 70mm for throttle body upgrades making it easier for you.