Mr. Gasket Header Gasket


Mr. Gasket
Mr. Gasket Header Gasket

Product images may differ from actual product appearance.

Take your pick from Mr. Gasket standard, single layer gaskets or the metal core, sandwich style Ultra-Seal gaskets for extra blowout protection.

Standard Material

  • Manufactured from high-temperature acrylic blend exhaust material
  • Provides excellent sealing and durability
  • Can be Trimmed if necessary for modified ports
  • For OE replacement, high performance street, drag race and oval track
Ultra-Seal
  • Manufactured from high-temperature steel core/graphite faced exhaust material
  • Expanded steel core provides stability and maximum torque retention to eliminate gasket failure
  • Graphite facing provides excellent heat resistance and thermal conductivity to transfer heat away from the cylinder head
  • Conforms to and seals minor surface irregularities
  • Can be trimmed if necessary for modified ports
  • For OE replacement, high performance street, drag race and oval track



Chrysler - Hemi

720-7592
Exhaust Header Gasket
  • Ultra-Seal Material
  • 392ci V8, 1954-58
  • Stock Ports
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    Fits Applications
  • $22.99
    Ships
    06/05/12
    AMC

    720-5950
    Exhaust Header Gasket
  • Ultra-Seal Material
  • 304ci V8, 1970-79
  • 360ci V8, 1970-78
  • 390ci V8, 1970
  • 401ci V8, 1971-76
    View this item

    Fits Applications
  • $25.99
    Ships
    05/29/12

    720-850
    Exhaust Header Gaskets
  • Standard Material
  • 290ci V8, 1966-69
  • 343ci V8, 1967-69
  • 390ci V8, 1968-69
    View this item

    Fits Applications
  • $17.99
    Ships
    05/29/12
    Buick

    720-651G
    Exhaust Header Gasket
  • Standard Material
  • 401-455ci V8, 1965-75
  • Stock Ports
    View this item

    Fits Applications
  • $19.99
    Ships
    05/29/12

    720-7529
    Exhaust Header Gasket
  • Ultra-Seal Material
  • 350ci V8, 1968-81
  • Stock Ports
    View this item

    Fits Applications
  • $22.99
    Ships
    05/29/12

    720-7530
    Exhaust Header Gasket
  • Ultra-Seal Material
  • 401-455ci V8, 1965-75
  • Stock Ports
    View this item

    Fits Applications
  • $24.99
    Ships
    06/05/12
    Chevy - V6

    720-5958
    Exhaust Header Gasket
  • Ultra-Seal Material
  • 4.3L V6, 1955-85
  • Stock Ports: 1.53'' x 1.65''
    View this item

    Fits Applications
  • $27.99
    Ships
    05/29/12

    720-7523
    Exhaust Header Gasket
  • Ultra-Seal Material
  • 326-455ci V8, 1965-79
  • Ram Air-4, 455 Super Duty, 455 HO
  • Round Ports: 1.88''
    View this item

    Fits Applications
  • $23.99
    Ships
    05/29/12
    Buick

    720-652G
    Exhaust Header Gasket
  • Standard Material
  • 196-231ci V6, 1964-79
  • Stock Ports
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    Fits Applications
  • $14.99
    Ships
    05/29/12
    Chevy - Small Block

    720-150
    Exhaust Header Gasket
  • Standard Material
  • 262-400ci V8, 1955-85
  • Round Ports: 1.63''
    View this item

    Fits Applications
  • $12.99
    Ships
    05/29/12

    720-150A
    Exhaust Header Gasket
  • Standard Material
  • 262-400ci V8, 1955-85
  • Stock & Small Race Ports: 1.45'' x 1.55''
    View this item

    Fits Applications
  • $11.99
    Ships
    05/29/12

    720-150B
    Exhaust Header Gasket
  • Standard Material
  • 262-400ci V8, 1955-85
  • Round Ports: 1.50''
    View this item

    Fits Applications
  • $11.99
    Ships
    05/29/12

    720-5900
    Exhaust Header Gasket
  • Ultra-Seal Material
  • 262-400ci V8, 1955-85
  • Square Ports: 1.45'' x 1.48''
    View this item

    Fits Applications
  • $19.99
    Ships
    05/29/12

    720-5901
    Exhaust Header Gasket
  • Ultra-Seal Material
  • 262-400ci V8, 1955-85
  • Stock & Small Race Ports: 1.45'' x 1.55''
    View this item

    Fits Applications
  • $19.99
    Ships
    05/29/12

    720-5902
    Exhaust Header Gasket
  • Ultra-Seal Material
  • 262-400ci V8, 1955-85
  • Round Ports: 1.63''
    View this item

    Fits Applications
  • $19.99
    Ships
    05/29/12

    720-5903
    Exhaust Header Gasket
  • Ultra-Seal Material
  • 262-400ci V8, 1955-85
  • Brodix ''D'': 1.55'' x 1.71''
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    Fits Applications
  • $22.99
    Ships
    05/29/12

    720-5904
    Exhaust Header Gasket
  • Ultra-Seal Material
  • 262-400ci V8, 1955-85
  • Round Ports: 1.93''
    More info on Mr. Gasket 5904

    Fits Applications
  • $22.99
    Ships
    05/29/12

    720-5905
    Exhaust Header Gasket
  • Ultra-Seal Material
  • 262-400ci V8, 1955-85
  • Round Ports: 2.16''
    More info on Mr. Gasket 5905

    Fits Applications
  • $23.99
    Ships
    06/05/12

    720-5906
    Exhaust Header Gasket
  • Ultra-Seal Material
  • 262-400ci V8, 1955-85
  • Brodix Alum. Spread Ports: 1.65'' x 1.60''
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    Fits Applications
  • $21.99
    Ships
    05/29/12

    720-5907
    Exhaust Header Gasket
  • Ultra-Seal Material
  • 262-400ci V8, 1955-85
  • Round Ports: 1.50''
    View this item

    Fits Applications
  • $19.99
    Ships
    05/29/12

    720-5908
    Exhaust Header Gasket
  • Ultra-Seal Material
  • 262-400ci V8, 1955-85
  • Square Ports: 1.61'' x 1.85''
    View this item

    Fits Applications
  • $22.99
    Ships
    05/29/12

    720-5917
    Exhaust Header Gasket
  • Ultra-Seal Material
  • 262-400ci V8, 1955-85
  • Late Blackjack and Cyclone Headers
  • Oval Ports: 1.50'' x 1.82''
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    Fits Applications
  • $26.99
    Ships
    05/29/12

    720-5919
    Exhaust Header Gasket
  • Ultra-Seal Material
  • 262-400ci V8, 1955-91
  • 18 Degree Roll Over Head
  • Adapter plate side
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    Fits Applications
  • $32.99
    Ships
    05/29/12

    720-5964
    Exhaust Header Gasket
  • Ultra-Seal Material
  • 281-365ci V8, 1997-04
  • LD8, LR4, L30, LM7, LS1, LS6, LQ4
  • Round Ports: 1.75''
    View this item

    Fits Applications
  • $22.99
    Ships
    05/29/12

    720-5965
    Exhaust Header Gasket
  • Ultra-Seal Material
  • 262-400ci V8, 1955-97
  • LT1 D-Shaped Ports: 1.50'' x 1.60''
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    Fits Applications
  • $21.99
    Ships
    05/29/12

    720-5966
    Exhaust Header Gasket
  • Ultra-Seal Material
  • LS2/LS3/LS7, 2005-10
  • Round Ports: 1.92''
    View this item

    Fits Applications
  • $23.99
    Ships
    05/29/12

    720-7505
    Exhaust Header Gasket
  • Ultra-Seal Material
  • 350 Vortec
    View this item

    Fits Applications
  • $21.99
    Ships
    05/29/12
    Chevy - Big Block

    720-152
    Exhaust Header Gasket
  • Standard Material
  • 396-454ci V8, 1965-88
  • Round Ports: 1.92''
    View this item

    Fits Applications
  • $12.99
    Ships
    05/29/12

    720-152A
    Exhaust Header Gasket
  • Standard Material
  • 396-454ci V8, 1965-88
  • Round Ports : 2.15''
    View this item

    Fits Applications
  • $15.99
    Ships
    05/29/12

    720-153
    Exhaust Header Gasket
  • Standard Material
  • 396-454ci V8, 1965-88
  • Square Ports: 1.85'' x 1.90''
    View this item

    Fits Applications
  • $12.99
    Ships
    05/29/12

    720-5910
    Exhaust Header Gasket
  • Ultra-Seal Material
  • 396-454ci V8, 1965-88
  • Square Ports: 1.85'' x 1.90''
    View this item

    Fits Applications
  • $21.99
    Ships
    05/29/12

    720-5911
    Exhaust Header Gasket
  • Ultra-Seal Material
  • 396-454ci V8, 1965-88
  • Round Ports: 1.92''
    View this item

    Fits Applications
  • $21.99
    Ships
    05/29/12

    720-5912
    Exhaust Header Gasket
  • Ultra-Seal Material
  • 396-454ci V8, 1965-88
  • Round Ports: 2.15''
    View this item

    Fits Applications
  • $21.99
    Ships
    05/29/12

    720-5913
    Exhaust Header Gasket
  • Ultra-Seal Material
  • 396-454ci V8, 1965-88
  • Square Ports: 2.09'' x 2.09''
    View this item

    Fits Applications
  • $23.99
    Ships
    05/29/12

    720-5914
    Exhaust Header Gasket
  • Ultra-Seal Material
  • 396-454ci V8, 1965-88
  • Round Ports: 2.43''
    View this item

    Fits Applications
  • $23.99
    Ships
    05/29/12
    Chrysler - Small Block

    720-353
    Exhaust Header Gasket
  • Standard Material
  • 273/318ci V8, 1967-74
  • Stock Ports: 1.34'' x 1.82''
    View this item

    Fits Applications
  • $15.99
    Ships
    06/05/12

    720-358
    Exhaust Header Gasket
  • Standard Material
  • 273-360ci V8, 1968-89
  • Stock Ports: 1.30'' x 1.64''
    View this item

    Fits Applications
  • $13.99
    Ships
    05/29/12

    720-5935
    Exhaust Header Gasket
  • Ultra-Seal Material
  • 273-360ci V8, 1968-89
  • Stock Ports: 1.30'' x 1.64''
    View this item

    Fits Applications
  • $19.99
    Ships
    05/29/12

    720-5939
    Exhaust Header Gasket
  • Ultra-Seal Material
  • 340-360ci V8, 1968-89
  • With W-2 Head
  • Stock Port: 1.56'' x 1.50''
    View this item

    Fits Applications
  • $24.99
    Ships
    05/29/12

    720-5949
    Exhaust Header Gasket
  • Ultra-Seal Material
  • 273-360ci V8, 1992-98
  • Stock Ports: 1.25'' x 1.68''
    View this item

    Fits Applications
  • $21.99
    Ships
    05/29/12
    Chrysler - Big Block

    720-351
    Exhaust Header Gasket
  • Standard Material
  • 383-440ci V8, 1965-78
  • Stock Ports: 1.78'' x 1.48''
    View this item

    Fits Applications
  • $13.99
    Ships
    05/29/12

    720-5936
    Exhaust Header Gasket
  • Ultra-Seal Material
  • 383-440ci V8, 1965-78
  • Stock Ports: 1.78''x 1.48''
    View this item

    Fits Applications
  • $19.99
    Ships
    05/29/12
    Chrysler - Hemi

    720-5937
    Exhaust Header Gasket
  • Ultra-Seal Material
  • 426ci V8, 1964-71
  • Stock Ports: 1.85'' x 1.89''
    View this item

    Fits Applications
  • $25.99
    Ships
    05/29/12

    720-7594
    Exhaust Header Gasket
  • Ultra-Seal Material
  • 345ci 5.7L V8, 2003-07
  • Stock Ports
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    Fits Applications
  • $22.99
    Ships
    05/29/12
    Ford - Small Block

    720-253
    Exhaust Header Gasket
  • Standard Material
  • 260-351W V8, 1962-86
  • Stock Ports: 1.12'' x 1.48''
    View this item

    Fits Applications
  • $12.99
    Ships
    05/29/12

    720-264G
    Exhaust Header Gasket
  • Standard Material
  • 260-351W with GT-40 Cylinder Head
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    Fits Applications
  • $16.99
    Ships
    05/29/12

    720-5929
    Exhaust Header Gasket
  • Ultra-Seal Material
  • 302ci V8, W.P. Windsor Jr. Head, 1.90w x 1.30h
    View this item

    Fits Applications
  • $26.99
    Ships
    06/05/12

    720-5930
    Exhaust Header Gasket
  • Ultra-Seal Material
  • 260-351W V8, 1962-86
  • Stock Ports: 1.12'' x 1.48''
    View this item

    Fits Applications
  • $19.99
    Ships
    05/29/12
    Ford - Cleveland

    720-258G
    Exhaust Header Gasket
  • Standard Material
  • 1970-73 351C or 1969-70 302 Boss
  • Port Size: 1.90'' x 2.20''
    View this item

    Fits Applications
  • $14.99
    Ships
    05/29/12

    720-5932
    Exhaust Header Gasket
  • Ultra-Seal Material
  • 1970-73 351C or 1969-70 302 Boss
  • Port Size: 1.90'' x 2.20''
    View this item

    Fits Applications
  • $23.99
    Ships
    05/29/12
    Ford - Modified

    720-263G
    Exhaust Header Gasket
  • Standard Material
  • 351M-400ci V8, 1970-74
  • With 2-Bbl. Heads
  • Port Size: 1.58'' x 1.96''
    View this item

    Fits Applications
  • $14.99
    Ships
    06/05/12

    720-5951
    Exhaust Header Gasket
  • Ultra-Seal Material
  • 351M-400ci V8, 1970-74
  • With 2-Bbl. Heads
  • Port Size: 1.58'' x 1.96''
    View this item

    Fits Applications
  • $25.99
    Ships
    05/29/12
    Ford 4.6L/5.4L

    720-5927
    Exhaust Header Gasket
  • Ultra-Seal Material
  • 4.6L-5.4L SOHC, 1996-04
  • Port Size: 1.63''
    View this item

    Fits Applications
  • $22.99
    Ships
    05/29/12

    720-7556
    Exhaust Header Gasket
  • Ultra-Seal Material
  • 4.6L DOHC, 1993-04
  • Port Size: 1.12'' x 2.16''
    View this item

    Fits Applications
  • $24.99
    Ships
    06/05/12

    720-7558
    Exhaust Header Gasket
  • Ultra-Seal Material
  • 4.6L DOHC, 2005-Up
  • Port Size: 1.78''
    View this item

    Fits Applications
  • $26.99
    Ships
    06/05/12

    720-7559
    Exhaust Header Gasket
  • Ultra-Seal Material
  • 4.6L SOHC, 2005-Up
  • Port Size: 1.78''
    View this item

    Fits Applications
  • $26.99
    Ships
    05/29/12
    Ford - Big Block

    720-259A
    Exhaust Header Gasket
  • Standard Material
  • 429-460CJ V8
  • Square Ports: 1.50'' x 2.40''
    View this item

    Fits Applications
  • $21.99
    Ships
    05/29/12

    720-259G
    Exhaust Header Gasket
  • Standard Material
  • 429-460ci V8, 1968-88
  • Oval Ports: 1.25'' x 2.08''
    View this item

    Fits Applications
  • $14.99
    Ships
    05/29/12

    720-5931
    Exhaust Header Gasket
  • Ultra-Seal
  • 429 Boss
  • Rectangular Ports: 1.90'' x 2.20''
    View this item

    Fits Applications
  • $26.99
    Ships
    06/05/12

    720-5954
    Exhaust Header Gasket
  • Ultra-Seal Material
  • 429-460ci V8, 1968-88
  • Oval Ports: 1.25'' x 2.08''
    View this item

    Fits Applications
  • $25.99
    Ships
    05/29/12
    Ford - FE

    720-251
    Exhaust Header Gasket
  • Standard Material
  • 332-390ci V8, 1968-68
  • Square Ports: 1.56'' x 2.32''
  • 8-Bolt
    View this item

    Fits Applications
  • $15.99
    Ships
    05/29/12

    720-252
    Exhaust Header Gasket
  • Standard Material
  • 406-427ci V8, 1965-68
  • Square Ports: 1.38'' x 2.05''
  • 16-Bolt
    View this item

    Fits Applications
  • $16.99
    Ships
    05/29/12

    720-254G
    Exhaust Header Gasket
  • Standard Material
  • 390-428ci V8, 1966-71
  • Square Ports: 1.38'' x 2.12''
  • 14-Bolt
    View this item

    Fits Applications
  • $21.99
    Ships
    06/05/12

    720-5952
    Exhaust Header Gasket
  • Ultra-Seal Material
  • 332-390ci V8, 1968-68
  • Square Ports: 1.56'' x 2.32''
  • 8-Bolt
    View this item

    Fits Applications
  • $25.99
    Ships
    05/29/12
    Oldsmobile

    720-453
    Exhaust Header Gasket
  • Standard Material
  • 330-455ci V8, 1964-76
    View this item

    Fits Applications
  • $14.99
    Ships
    05/29/12

    720-5945
    Exhaust Header Gasket
  • Ultra-Seal Material
  • 330-455ci V8, 1964-76
    View this item

    Fits Applications
  • $22.99
    Ships
    05/29/12
    Pontiac

    720-550G
    Exhaust Header Gasket
  • Standard Material
  • 326-455ci V8, 1965-79
  • D-Ports: 1.55'' x 2.00''
    View this item

    Fits Applications
  • $13.99
    Ships
    05/29/12

    720-551
    Exhaust Header Gasket
  • Standard Material
  • 326-455ci V8, 1965-79
  • Ram Air-4, 455 Super Duty, 455 HO
  • Round Ports: 1.88''
    View this item

    Fits Applications
  • $16.99
    Ships
    05/29/12

    720-5921
    Exhaust Header Gasket
  • Ultra-Seal Material
  • 326-455ci V8, 1965-79
  • D-Ports: 1.55'' x 2.00''
    View this item

    Fits Applications
  • $22.99
    Ships
    05/29/12