02-05 Civic Si EP3

Easy installation and perfect fit

NO CORE required

All bushings are laser etched with a unique serial number

Thermal Throttle Body Gaskets - K20 slave cylinder 02-05 Civic Si EP3Reduce 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. Insulates heat from intake air OEM or aftermarket sized TBs Push out ring