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Header Gaskets

Choose from multi-layer steel (MLS), aluminum, copper, Ultra-Seal®, and other material options. We have gaskets for multiple engines including Chevrolet Small Block (SBC), Big Block, LS and LT, Ford Coyote, BB, Windsor, and Modular and many more including Nissan, Honda and Buick. Most header gaskets feature slotted mounting bolt holes to allow the gasket to be installed without removing the header flange or exhaust manifold entirely from the cylinder head.
Narrow Results
Brand
  • Earls
  • Flowtech
  • Hooker
  • Mr. Gasket
Engine
  • American Motors V8
  • Buick V8
  • Chevrolet Big Block Mark IV
  • Chevrolet Big Block W-Series
  • Chevrolet Small Block Gen I
  • Chevrolet Small Block Gen II (LT Based)
  • Chrysler Big Block B/RB
  • Chrysler Hemi (Gen II)
  • Chrysler Hemi Gen I
  • Chrysler Hemi Gen III
  • Chrysler Small Block LA
  • Chrysler Small Block Magnum
  • Ford Big Block
  • Ford Big Block FE
  • Ford Boss
  • Ford Cleveland
  • Ford Coyote
  • Ford Inline 6-Cylinder
  • Ford Modified
  • Ford Modular
  • Ford Small Block Windsor
  • Ford V6
  • GM Small Block Gen III/IV (LS Based)
  • GM Small Block Gen V (LT1/LT4 Based)
  • GM V6
  • Honda 4-Cylinder
  • International V8
  • Mitsubishi 4-Cylinder
  • Nissan 4-Cylinder
  • Oldsmobile V8
  • Pontiac V8
Material
  • Aluminum
  • Copper
  • Fiber
  • Graphite Foil Inserts
  • MLS
  • P73 Ferroglass Non-Asbestos
  • Performance
  • Ultra-seal
Port Shape
  • D-Port
  • Dog Leg
  • Oval
  • Oval / D
  • Rectangle
  • Round
  • Square
  • Uncut
Port Size
  • 1.00" x 1.38"
  • 1.00" x 1.64"
  • 1.00" x 1.89"
  • 1.5" x 1.82"
  • 1.12" x 1.48"
  • 1.15" x 1.39"
  • 1.18" x 1.78
  • 1.20" x 1.76"
  • 1.21" x 1.78"
  • 1.21" x 2.16"
  • 1.22" x 2.00"
  • 1.23" x 1.64"
  • 1.24" x 1.86"
  • 1.25" x 1.30"
  • 1.25" x 1.68"
  • 1.25" x 1.75"
  • 1.25" x 2.08"
  • 1.26" x 1.95"
  • 1.26" x 2.10"
  • 1.30" x 1.40"
  • 1.30" x 1.80"
  • 1.31 x 1.63"
  • 1.31"
  • 1.31" x 1.69"
  • 1.33" x 1.85"
  • 1.34" x 1.34"
  • 1.36" x 1.36"
  • 1.37" x 1.53"
  • 1.38" x 1.80"
  • 1.38" x 2.05"
  • 1.38" x 2.12"
  • 1.40" x 1.40"
  • 1.40" x 1.78"
  • 1.41" x 1.30"
  • 1.41" x 2.05"
  • 1.44" x 1.89"
  • 1.45" x 1.47"
  • 1.45" x 1.48"
  • 1.45" x 1.55"
  • 1.45" x 1.94"
  • 1.46" x 1.93"
  • 1.49" x 1.29
  • 1.50"
  • 1.50" x 1.82"
  • 1.50" x 2.40"
  • 1.51" x 1.51"
  • 1.55" x 1.63"
  • 1.55" x 1.71"
  • 1.55" x 1.92"
  • 1.55" x 1.94"
  • 1.55" x 2.13"
  • 1.56" x 1.50"
  • 1.56" x 2.32"
  • 1.58" x 1.96"
  • 1.58" x 2.32"
  • 1.59"
  • 1.60"
  • 1.61" x 1.85"
  • 1.62"
  • 1.62"
  • 1.62" x 1.50"
  • 1.62" x 1.61"
  • 1.63"
  • 1.63" x 1.81"
  • 1.65" x 1.52"
  • 1.65" x 1.60"
  • 1.71" x 2.08"
  • 1.75"
  • 1.75" x 2.03"
  • 1.78"
  • 1.78" x 1.48"
  • 1.80" x 1.68"
  • 1.83" x 2.24"
  • 1.85" x 1.80"
  • 1.85" x 1.89"
  • 1.85" x 1.90"
  • 1.85" x 1.91"
  • 1.88"
  • 1.88" x 1.38"
  • 1.90"
  • 1.90" x 2.20"
  • 1.92"
  • 1.93"
  • 1.96" x 1.73"
  • 1.98" x 1.47"
  • 1.875"
  • 2.00"
  • 2.05"
  • 2.09" x 2.09"
  • 2.11" x 1.35"
  • 2.15"
  • 2.40"
  • Stock
  • Uncut
Product Type
  • Header Gaskets
  • Header Install Kit
Thickness
  • .060"
  • .062"
  • .065"
  • .072"
  • .094"
  • .100"
  • .125"
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MLS (Multi-Layered Steel)

  • Multi-Layered Steel (MLS) exhaust and header collector gaskets are designed for extreme cylinder pressures produced by high horsepower– high compression turbo-charged, supercharged and nitrous oxide injected engines.
  • Manufactured from three stainless steel layers, they resist corrosion, will not burn through or push out and maintain maximum fastener torque retention.
  • Stress formed inner and outer layer embossments act like springs that rebound under exhaust flange clamp load, creating force to seal extreme exhaust pressures. Total gasket thickness .075˝.
  • Will not deteriorate from scrubbing action caused by different expansion rates in aluminum and steel materials.

Aluminum Layered

  • Reusable header, exhaust manifold and collector flange gaskets.
  • Manufactured from “Dead Soft” aluminum layers – .125˝ thick.
  • Conforms easily to surface irregularities (warped flanges).
  • Compresses down to .060˝ to create a tight leak-proof seal.
  • Will not shrink, deteriorate, or blow out – eliminating gasket leaks.
  • For high performance street, drag race and oval track use.

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 impregnated 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 port applications.
  • For OE replacement, high performance street, drag race and oval track use.

CopperSEAL

  • Manufactured from “Dead Soft” (solid) .043˝ thick copper material.
  • .051˝ embossment around each exhaust port to seal irregular surfaces. Total gasket thickness .094˝.
  • Provides excellent sealing and durability.
  • Conforms to and seals minor surface irregularities.
  • For high performance street, drag race, oval track and turbo-charged (extreme heat) applications.

Performance

  • Manufactured from high-temperature acrylic blend exhaust material.
  • Provides excellent sealing and durability.
  • Can be trimmed if necessary for modified port applications.
  • For OE replacement, high performance street, drag race and oval track use.

Earls Pressure Master™

  • Utilize an aluminum retainer that captures and controls compression of our exclusive graphite foil inner seal for unsurpassed sealing
  • Unaffected by thermal cycling, each joint can be torqued to optimum pre-load during installation
  • No residue to clean up after installation

Hooker Super Competition Header Gaskets

  • This OEM quality gasket is .060
  • The substrate combined with a perforated aluminum core provides superior grip and adhesion.
  • This construction also contributes to exact fit compliance between the cylinder head and header flange,offering superior sealing properties during extreme temperature and operating conditions.


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