Doug's Headers 66037 Seal-4-Good Header Gaskets Small Block Mopar Rectangle Port

Doug's Headers 66037 Seal-4-Good header gaskets are designed specifically for Small Block Mopar engines with rectangle port cylinder heads. These high-performance gaskets provide a reliable seal between your headers and cylinder heads to prevent exhaust leaks and maintain optimal engine performance.

Key Features:

• Rectangle port design with 1.0" x 1.625" port openings
• Seal-4-Good construction for superior sealing and durability
• Engineered specifically for Small Block Mopar applications
• Prevents exhaust leaks and maintains proper backpressure
• High-temperature resistant materials withstand extreme exhaust heat

These gaskets are an essential component when installing headers or performing cylinder head work on your Small Block Mopar engine. The precise port dimensions ensure proper alignment with rectangle port heads for maximum flow and sealing performance.