JBA premium header gasket for 2005–2009 Toyota 4.7L V8 with air injection, round ports. This pair seals the header flange where air injection is present to prevent leaks and maintain correct exhaust flow when fitting JBA headers. Made extra thick from a specially formulated material for an exact port match with JBA headers; rated to handle exhaust pressures up to 3700 psig and temperatures to 1100°F.
JBA 05-09 Toyota 4.7L V8 w/Air Injection Round Port Header Gasket - Pair