Exhaust Header Gasket Set Ford 4.6L/5.4L 4V

The Cometic Gaskets Exhaust Header Gasket Set for Ford 4.6L and 5.4L modular engines is engineered to seal exhaust manifold ports with precision and durability. Featuring a steel core laminate construction, this pair of gaskets addresses the critical junction where header tubes meet the cylinder head—a high-temperature, high-pressure interface that demands reliable sealing to prevent exhaust leaks, gas escape, and performance degradation.

The gaskets measure 1.339 x 2.323 inches at the oval port opening, sized specifically for Ford modular cylinder head configurations used in 4V (four-valve) engine variants. Steel core laminate construction provides the mechanical integrity needed to withstand repeated thermal cycles—critical because exhaust manifold temperatures routinely exceed 800°F, causing thermal expansion and contraction that can compromise inferior gasket materials. The laminated design resists blowout while maintaining a consistent seal across the mating surface.

This gasket set addresses a common maintenance point for Ford Modular engine owners—whether performing routine manifold service, header installation, or exhaust system work. Exhaust header gasket failures typically manifest as audible exhaust leaks near the cylinder head, loss of back-pressure efficiency, and potential moisture intrusion into engine compartments. The pair configuration ensures both exhaust banks can be serviced simultaneously, eliminating asymmetrical sealing that could cause performance imbalance.

Cometic Gaskets specializes in OEM-grade and performance gasket solutions where precision tolerance and material science directly impact reliability. For Ford 4.6L and 5.4L owners requiring verified exhaust system integrity, this gasket set delivers the engineered performance expected from manifold sealing components designed for sustained high-temperature service.