Doug's premium header flange gaskets are made extra thick from specially formulated gasket material. Out gaskets are rated up to 1100 degrees F and handle exhaust pressures up to 3700 psig (255 bar). Each gasket is designed for exact port match to out Doug's headers. Sold in pairs.


Extra thick, specially formulated material. Rated up to 1100 degrees F. Can handle exhaust pressures up to 3700 psig (255 bar) Available in a wide variety of port shapes and the most popular engine families.
Doug's Headers HG9355 Olds 400-455 rectangle port Header Flange Gaskets.
Doug's Headers HG9355 Olds 400-455 rectangle port Header Flange Gaskets.
Doug's Headers HG9355 Header Flange Gasket, Olds 400-455, Rectangle Dougs Headers
Doug's Headers HG9355 Header Flange Gasket, Olds 400-455, Rectangle
Sku # 447HG9355
Mfr. Part # HG9355
Condition
New
Brand
Dougs Headers
Sold
Pair
Details
Info

Doug's premium header flange gaskets are made extra thick from specially formulated gasket material. Out gaskets are rated up to 1100 degrees F and handle exhaust pressures up to 3700 psig (255 bar). Each gasket is designed for exact port match to out Doug's headers. Sold in pairs.

  • Extra thick, specially formulated material
  • Rated up to 1100 degrees F
  • Can handle exhaust pressures up to 3700 psig (255 bar)
  • Available in a wide variety of port shapes and the most popular engine families
  • Doug's Headers HG9355 Olds 400-455 rectangle port Header Flange Gaskets
  • Doug's Headers HG9355 Olds 400-455 rectangle port Header Flange Gaskets
Installation Tips
  • Doug's Headers HG9355 Olds 400-455 rectangle port Header Flange Gaskets
This item is being shipped to you directly from the manufacturer and is subject to an increased handling time. Delivery estimates that include the handling time are displayed on the "Shipping and Payments" tab.
Specs
GTIN Code
694342511937
MFG. Part #
HG9355
Tech Support
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About
Speedway Motors is America’s Oldest Speed Shop® and has been a trusted source for specialty rodding and racing products and friendly expert advice for more than 72 years. Founded in 1952 by “Speedy” Bill Smith – a racer and street rodder himself – Speedway has grown from a one-man operation to become the world’s largest manufacturer, distributor and retailer of street rod and racing products. Our industry-leading fast delivery is the result of same-day shipping from our state-of-the-art, centrally located 500,000 sq. ft. headquarters. Speedway’s size offers customers unmatched product selection and low pricing, while our excellent technical support and customer service have made us a recognized leader in the rodding and racing industries.