Hybrid Racing RBC Thermal Throttle Body Gasket 2025 Honda Civic Patented design

Patented design

or metallic vibration commonly associated with overly stiff aftermarket engine mounts

The RBC manifold provides a significant performance improvement over the stock PRB and PRC (K20A2 Type S and K20A Type R) intake manifolds

from totally stock to high-lift cams and huge exhausts

In an effort to help keep your whole cooling system working reliably

Hybrid Racing RBC Thermal Throttle Body Gasket 2025 Honda Civic Patented designReduce 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.