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Performance

  • Manufactured from cellulose/nitrile composition gasket material
  • Provides excellent sealing and durability
  • Can be trimmed if necessary for modified port applications
  • Complete with manifold end rail seals and distributor gasket
  • For OE replacement, high performance street, drag race and oval track

Ultra-Seal®

  • Manufactured from cellulose/nitrile composition gasket material
  • Provides excellent sealing and durability
  • Silicone beading on both sides of each gasket
  • Gasket sealer not required for installation
  • Complete with manifold end rail seals and distributor gasket
  • For OE replacement, high performance street, drag race and oval track

Ultra-Seal® III

  • Made from synthetic high-tensile strength and high-temperature gasket material
  • Delivers excellent sealing properties for oil, fuel and coolant
  • Seals using low flange pressure (clamp force), conforms to and seals any imperfections on sealing surfaces
  • Can be modified (trimmed) easily to fit custom applications
  • Requires no additional gasket sealer for installation
  • Releases easily (no scrapping required) will not stick to mating surfaces when disassembling engine
  • For OE replacement, high performance street, drag race and oval track

INTAKE GASKET INSTALLATION

Many performance engines have machined surfaces that cause non-parallel alignment. Before assembly, insure head and manifold mounting surfaces are parallel and head ports properly match intake ports. We offer a wide variety of port sizes to match many different port configurations. If necessary, our performance intake gaskets can be easily cut to match most modified cylinder head and intake ports. Inspect original gasket (if available) to determine if mounting surfaces are parallel, ports are properly matched to head and if manifold is warped.


  • Clean all mounting surfaces before installing new gasket.
  • Be careful not to damage mounting surface when using a scraper or wire brush.
  • Use gasket remover to ease clean-up.
  • Cover exposed internal areas (lifter galley and ports) so debris will not get into and damage critical engine components.


IMPORTANT: If engine is equipped with a valley pan type gasket, do not discard. On most engines, this pan will need to be reused to insure proper oil drain-back to crankcase. Clean valley pan and apply a thin bead of Mr. Gasket #78080G silicone around ports on cylinder head side of valley pan. Place in position on engine and continue to install the Mr. Gasket intake set.


Use adhesive around water and intake ports on cylinder head side of gasket to insure a tight seal and keep the gasket from moving during manifold installation.


NOTE: On large port applications, the gasket wall between ports is very narrow. Be sure adhesive has cured adequately before installing intake manifold to avoid gasket shift.


WARNING: For long term sealing, do not use any type of copper gasket sealer on intake gaskets. Do NOT use any sealants on o-ringed ports!


END SEAL INSTALLATION (IF APPLICABLE)


Manifold front and rear end seals are supplied with most kits. In many performance applications, the manifold end gap has been reduced due to machine work on block and cylinder heads.


  • If light machining has been done, discard the rubber seals (if supplied) and use the cork seals (apply an 1/8˝ bead of Mr. Gasket #78080G silicone sealer at side rail/seal intersection).
  • If gap is smaller than 3/32˝, discard cork seals and use Mr. Gasket #78080G sealer. Apply a 1/4˝ bead across block surface then install intake manifold.


Install bolts fingertight. Using a torque wrench, tighten to factory torque specifications. Follow proper tightening sequence. (On most V8 engines, start with center bolts and work outward in an “X” pattern).

Narrow Results
Brand
  • Holley Sniper
  • Holley Sniper EFI
  • Mr. Gasket
  • Weiand
Engine
  • 2011-2014 Ford 5.0L
  • American Motors V8
  • Chevrolet Big Block Mark IV
  • Chevrolet Small Block Gen I
  • Chevrolet Small Block Gen II (LT Based)
  • Chrysler Big Block B/RB
  • Chrysler Hemi (Gen II)
  • Chrysler Small Block LA
  • Ford Big Block
  • Ford Cleveland
  • Ford Coyote
  • Ford FE Block
  • Ford Inline 6-Cylinder
  • Ford Modified
  • Ford Modular
  • Ford Small Block Windsor
  • GM Inline 6-Cylinder
  • GM LS1/LS2/LS6
  • GM LS3
  • GM LS3/L92
  • GM LS7
  • GM Small Block Gen III/IV (LS Based)
  • Mopar
  • Oldsmobile V8
  • Pontiac V8
Material
  • Molded O-Ring
  • Paper
  • Performance
  • Steel & Plastic
  • Ultra-seal
Port Shape
  • Cathedral
  • N/A
  • Oval
  • Rectangle
  • Round
  • Square
Port Size
  • 1.14" x 2.06"
  • 1.15" x 2.23"
  • 1.15" x 3.40"
  • 1.17" x 2.27"
  • 1.18" x 2.20"
  • 1.20" x 1.87"
  • 1.20" x 2.13"
  • 1.21" x 2.11"
  • 1.21" x 2.26"
  • 1.24" x 2.06"
  • 1.25" x 1.63"
  • 1.25" x 1.75"
  • 1.25" x 2.00"
  • 1.25" x 2.11"
  • 1.25" x 2.13"
  • 1.31" x 2.10"
  • 1.31" x 2.19"
  • 1.31" x 2.31"
  • 1.31" x 2.37"
  • 1.35" x 2.26"
  • 1.37" x 2.71"
  • 1.38" x 2.03"
  • 1.38" x 2.25"
  • 1.38" x 2.38"
  • 1.40" x 2.20"
  • 1.40" x 2.25"
  • 1.40" x 2.72"
  • 1.41" x 2.49"
  • 1.43" x 2.05"
  • 1.45" x 2.40"
  • 1.48" x 2.51"
  • 1.48" x 2.56"
  • 1.50"
  • 1.50" x 2.90"
  • 1.53" x 2.16"
  • 1.62" x 2.28"
  • 1.75"
  • 1.75" x 2.16"
  • 1.75" x 2.50"
  • 1.83" x 2.43"
  • 1.83" x 2.88"
  • 1.84" x 2.80"
  • 1.85" x 2.01"
  • 1.85" x 2.55"
  • 1.90" x 2.20"
  • 2.00" x 2.26"
  • 2.23" x 2.60"
  • 2.31" x 2.20"
  • 2.37" x 2.42"
  • 2.48"
  • 2.49" x 1.54"
  • N/A
  • Stock
Product Type
  • Intake Component
  • Intake Components
  • Intake Gaskets
  • Tools
  • Water Neck Gaskets
Thickness
  • .040"
  • .060"
  • .093"
  • .120"
  • .125"
  • Standard OEM
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     X  Holleydays 2020 20% off and DD
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