Doug's Headers 66014 Header Gaskets Small Block Ford Square Port - Seal-4-Good

The Doug's Headers 66014 Seal-4-Good header gaskets are premium multi-layered aluminum gaskets engineered specifically for Small Block Ford engines with square (rectangle) port configurations. These gaskets are constructed from multi-layered "dead soft" aluminum that conforms to your header flanges for an ultimate seal, measuring 1.625 x 1.25 inches to match Ford 221-302-351W cylinder head ports.

Key Features:

• Virtually blowout and burnout-proof construction that is totally reusable
• Multi-layered "dead soft" aluminum construction allows gaskets to conform to imperfect sealing surfaces
• Rectangle/square port design fits Small Block Ford 221, 260, 289, 302, and 351W engines
• Port dimensions: 1.625 inches x 1.25 inches
• Eliminates the need for constant gasket replacement
• Sold as a pair

Seal-4-Good gaskets represent a significant upgrade over traditional fiber or composite header gaskets. The malleable aluminum material creates a superior seal that withstands extreme exhaust temperatures and pressures while maintaining the ability to be removed and reinstalled multiple times without degradation. Ideal for performance applications, street rods, and muscle cars where reliable exhaust sealing is critical.