Doug's Headers Exhaust Gaskets


Doug's Headers
Doug's Headers Exhaust Gaskets

Product images may differ from actual product appearance.

Premium header flange gaskets are made extra thick from a specially formulated gasket material. Rated up to 1100° F and handle exhaust pressures up to 3700 psig (255 bar). Each gasket is designed for an exact port match with Doug's Headers. Sold in pairs.
Cadillac
Doug's Headers HG9100 - Doug's Headers Exhaust Gaskets
 		776-HG9100
Header Flange Gasket
  • 425-500ci
  • Square Port
    		• $25.99
    Ships
    in 6 days
    Chevrolet
    Doug's Headers HG9300 - Doug's Headers Exhaust Gaskets
         		776-HG9300
    		Header Flange Gasket
  • 283-400ci
  • Round Port
    		• $25.99
    Ships
    in 6 days
    Doug's Headers HG9301 - Doug's Headers Exhaust Gaskets
         		776-HG9301
    		Header Flange Gasket
  • 283-400ci
  • Oval Port
    		• $25.99
    Ships
    in 6 days
    Doug's Headers HG9302 - Doug's Headers Exhaust Gaskets
         		776-HG9302
    		Header Flange Gasket
  • 283-400ci (Outer Gasket)
  • Round Port
    		• $25.99
    Ships
    in 6 days
    Doug's Headers HG9303 - Doug's Headers Exhaust Gaskets
         		776-HG9303
    		Header Flange Gasket
  • 396-502ci
  • Square Port
    		• $25.99
    Ships
    in 6 days
    Doug's Headers HG9312 - Doug's Headers Exhaust Gaskets
         		776-HG9312
    		Header Flange Gasket
  • 283-400
  • Large Rectanle Port
    		• $25.99
    Ships
    in 6 days
    Doug's Headers HG9322 - Doug's Headers Exhaust Gaskets
         		776-HG9322
    		Header Flange Gasket
  • 283-400 (Inner Gasket)
    		• $25.99
    Ships
    in 6 days
    Doug's Headers HG9348 - Doug's Headers Exhaust Gaskets
         		776-HG9348
    		Header Flange Gasket
  • 348-409ci
  • Rectangle Port
    		• $25.99
    Ships
    in 6 days
    Chrysler
    Doug's Headers HG9106 - Doug's Headers Exhaust Gaskets
         		776-HG9106
    		Header Flange Gasket
  • 273-360ci
  • SAP
    		• $25.99
    Ships
    in 6 days
    Doug's Headers HG9108 - Doug's Headers Exhaust Gaskets
         		776-HG9108
    		Header Flange Gasket
  • 426 HEMI
  • Square Port
    		• $25.99
    Ships
    in 6 days
    Doug's Headers HG9110 - Doug's Headers Exhaust Gaskets
         		776-HG9110
    		Header Flange Gasket
  • 354-392 HEMI
  • Round Port
    		• $25.99
    Ships
    in 6 days
    Doug's Headers HG9151 - Doug's Headers Exhaust Gaskets
         		776-HG9151
    		Header Flange Gasket
  • 383-440ci
  • Small Rectangle Port
    		• $25.99
    Ships
    in 6 days
    Ford
    Doug's Headers HG9203 - Doug's Headers Exhaust Gaskets
         		776-HG9203
    		Header Flange Gasket
  • 390-428 (8-Bolt)
  • 1-3/4" Rectangle Port
    		• $25.99
    Ships
    in 6 days
    Doug's Headers HG9203LG - Doug's Headers Exhaust Gaskets
         		776-HG9203LG
    		Header Flange Gasket
  • 390-428 (8-Bolt)
  • 2" - 2-1/8" Rectangle Port
    		• $25.99
    Ships
    in 6 days
    Doug's Headers HG9210 - Doug's Headers Exhaust Gaskets
         		776-HG9210
    		Header Flange Gasket
  • 460ci (Fuel Injected)
  • Oval D Port
    		• $25.99
    Ships
    in 6 days
    Doug's Headers HG9211 - Doug's Headers Exhaust Gaskets
         		776-HG9211
    		Header Flange Gasket
  • 429-460ci
  • Oval Port
    		• $25.99
    Ships
    in 6 days
    Doug's Headers HG9211LG - Doug's Headers Exhaust Gaskets
         		776-HG9211LG
    		Header Flange Gasket
  • 429-460ci
  • Large Oval Port
    		• $25.99
    Ships
    in 6 days
    Doug's Headers HG9215 - Doug's Headers Exhaust Gaskets
         		776-HG9215
    		Header Flange Gasket
  • 351-400M (2bbl head)
  • Oval Port
    		• $25.99
    Ships
    in 6 days
    Doug's Headers HG9248 - Doug's Headers Exhaust Gaskets
         		776-HG9248
    		Header Flange Gasket
  • 260-351W
  • Rectangle Port
    		• $25.99
    Ships
    in 6 days
    Doug's Headers HG9265 - Doug's Headers Exhaust Gaskets
         		776-HG9265
    		Header Flange Gasket
  • 351C (4bbl head)
  • Square Port
    		• $25.99
    Ships
    in 6 days
    Doug's Headers HG9351 - Doug's Headers Exhaust Gaskets
         		776-HG9351
    		Header Flange Gasket
  • 351W (World Products Head)
  • Rectangle Port
    		• $25.99
    Ships
    in 6 days
    Oldsmobile
    Doug's Headers HG9355 - Doug's Headers Exhaust Gaskets
         		776-HG9355
    		Header Flange Gasket
  • 403-455ci
  • Rectangle Port
    		• $25.99
    Ships
    in 6 days
    Pontiac
    Doug's Headers HG9342 - Doug's Headers Exhaust Gaskets
         		776-HG9342
    		Header Flange Gaskets
  • 326-455ci
  • D-Port
    		• $25.99
    Ships
    in 6 days
    Doug's Headers HG9343 - Doug's Headers Exhaust Gaskets
         		776-HG9343
    		Header Flange Gaskets
  • 326-455ci
  • Round Port
    		• $25.99
    Ships
    in 6 days

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