Hybrid Racing PRB Thermal Throttle Body Gasket IS 350 This piece took many revisions

This piece took many revisions to get right

Superior construction provides up to three times the heat resistance

The Honda Prelude Shifter & Mount Upgrade was crafted to offer replacements for many of these components with OE replacements that provided excellent driver feedback and improved performance

Water Ports: M14 x 1

Hybrid Racing PRB Thermal Throttle Body Gasket IS 350 This piece took many revisionsReduce 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.