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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 and brands, old and new. Including LS, LT, Coyotes, Hemis, Nissan, Honda and Buick to name a few.
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 Boss
  • Ford Cleveland
  • Ford Coyote
  • Ford FE Block
  • Ford Inline 6-Cylinder
  • Ford Modified
  • Ford Modular
  • Ford Small Block Windsor
  • Ford V6
  • GM LT1/LT4
  • 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"
  • 1.37" 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"
  • 1.60"
  • 1.61" x 1.85"
  • 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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