Doug's Headers 66032 Seal-4-Good Header Gaskets GM LS1 Round Port 1.625

Doug's Headers 66032 Seal-4-Good header gaskets are engineered specifically for GM LS1 round port applications with 1.625-inch primary tube diameter. These premium header gaskets provide a superior seal between the cylinder head and exhaust headers, ensuring reliable performance and preventing exhaust leaks.

Key Features:

• Designed for GM LS1 round port cylinder heads
• Seal-4-Good construction for maximum sealing performance
• Compatible with 1.625-inch diameter header primary tubes
• High-temperature resistant materials withstand extreme exhaust heat
• Precision-cut port openings ensure proper fitment and flow
• Reusable design for multiple installations

Doug's Headers Seal-4-Good gaskets feature advanced composite materials that compress and conform to both the header flange and cylinder head surfaces, creating a leak-free seal that holds up under high temperatures and pressure cycling. These gaskets are ideal for performance LS1 engine builds and header installations.