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#447HG9355
Doug's Headers HG9355 Header Flange Gasket, Olds 400-455, Rectangle
$44.95
/pair
Factory Shipped
$49.94
Save $4.99
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Return PolicyDoug's Headers HG9355 Details
Doug's Headers HG9355 Details
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
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Aeromotive & PerTronix Black Friday 10% Off Sale
Black Friday Savings Are Here! From November 1 2026 through November 30 2026, save 10% on all Aeromotive and PerTronix products, including top performance brands like Doug's Headers, Taylor Cable, and JBA Performance Exhaust. Whether you're upgrading your fuel system, ignition components, headers, spark plug wires, or exhaust setup, this limited-time offer makes it easy to get premium performance parts at a great price. No coupon required, just shop qualifying Aeromotive and PerTronix brands and enjoy instant savings all month long.
CA WARNING:
Can expose you to lead, a carcinogen and reproductive toxicant. See www.P65Warnings.ca.gov
Doug's Headers HG9355 Specifications
Doug's Headers HG9355 Specifications
| KEY SPECS | |
|---|---|
| MFG. Part # | HG9355 |
| Brand | Doug's Headers |
| GENERAL | |
| GTIN Code | 694342511937 |
Ratings & Reviews
Ratings & Reviews
Questions & Answers
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Fitment
Fitment
1973-1974 GMC Transmode
455 Oldsmobile Big-Block V8
Oldsmobile 403
1968-1971 Oldsmobile 442
455 Oldsmobile Big-Block V8
1965-1967 Oldsmobile 98
Oldsmobile 425
1968-1976 Oldsmobile 98
455 Oldsmobile Big-Block V8
1977-1979 Oldsmobile 98
Oldsmobile 403
1971-1976 Oldsmobile Custom Cruiser
455 Oldsmobile Big-Block V8
1977-1979 Oldsmobile Custom Cruiser
Oldsmobile 403
1968-1976 Oldsmobile Cutlass
455 Oldsmobile Big-Block V8
1977 Oldsmobile Cutlass
Oldsmobile 403
1975-1976 Oldsmobile Cutlass Salon
455 Oldsmobile Big-Block V8
1977 Oldsmobile Cutlass Salon
Oldsmobile 403
1971-1976 Oldsmobile Cutlass Supreme
455 Oldsmobile Big-Block V8
1977 Oldsmobile Cutlass Supreme
Oldsmobile 403
1976 Oldsmobile Cutlass Tiara
455 Oldsmobile Big-Block V8
1967 Oldsmobile Delmont 88
Oldsmobile 425
1968 Oldsmobile Delmont 88
455 Oldsmobile Big-Block V8
1965-1967 Oldsmobile Delta 88
Oldsmobile 425
1968-1976 Oldsmobile Delta 88
455 Oldsmobile Big-Block V8
1977-1979 Oldsmobile Delta 88
Oldsmobile 403
1965-1966 Oldsmobile Dynamic
Oldsmobile 425
1965-1966 Oldsmobile Dynamic 88
455 Oldsmobile Big-Block V8
Oldsmobile 425
1970-1972 Oldsmobile F85
455 Oldsmobile Big-Block V8
1965-1966 Oldsmobile Jetstar 88
Oldsmobile 425
1965 Oldsmobile Jetstar I
Oldsmobile 425
1965-1966 Oldsmobile Starfire
Oldsmobile 425
1966-1967 Oldsmobile Toronado
Oldsmobile 425
1968-1976 Oldsmobile Toronado
455 Oldsmobile Big-Block V8
1977-1978 Oldsmobile Toronado
Oldsmobile 403
1968-1975 Oldsmobile Vista Cruiser
455 Oldsmobile Big-Block V8