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JBA premium header gasket for Toyota 4.0L V6 (2003–2009 4Runner, 2007–2009 FJ, 2005–2008 Tacoma) without air injection. This gasket seals the header flange to reduce leaks and support proper exhaust flow when fitting JBA headers on these models. Made extra thick from a formulated material for an exact port match with JBA headers; rated for exhaust pressures up to 3700 psig and temperatures to 1100°F.
JBA 03-09 Toyota 4Runner/07-09 Toyota FJ/05-08 Toyota Tacoma 4.0L V6 w/o Air Header Gasket
