Product Details:

Manufactured from an extra-thick, specially formulated compressed fiber laminate material, these gaskets deliver exceptional sealing performance and long-term durability in high-heat exhaust applications.

Key Features:

• Extra-thick construction from specially formulated compressed fiber laminate gasket material
• Rated up to 1,100°F for reliable performance in extreme exhaust heat environments
• Handles exhaust pressures up to 3,700 psig (255 bar) for maximum sealing integrity
• Oval port design for precise fitment on Ford 429 and 460 Big Block (BBF) engines
• Exact port-match design engineered to align perfectly with Doug's Headers
• Sold as a pair — includes both driver and passenger side gaskets

Doug's Headers has been a trusted name in performance exhaust since 1958, and the HG9211 gaskets reflect that legacy of quality. Whether you're building a street machine or a dedicated track car, these header flange gaskets provide a leak-free seal that stands up to the demands of high-performance Big Block Ford applications. Part number HG9211 is also referenced as DOU-HG9211.

Products specifications:

Gasket Material: Compressed fiber laminate

Port Style: Oval

Quantity: Sold as a pair.

EmissionFullDES: N - This Product is Certified by the Manufacturer as being a Non Emissions Sensi

Prop 65: Yes

FAQ

What part number is this?
The listed part number is HG9211.

Should I confirm product specifications before ordering?
Yes. Compare the original product specifications with the information supplied.

Common Searches

• Doug's Headers HG9211
• HG9211 Ford 429-460 Big Block Oval Port Header Flange Gaskets - Pair
• Doug's Headers Ford 429-460 Big Block Oval Port Header Flange Gaskets - Pair