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Performance

  • Manufactured from high-density cork/rubber blend gasket material.
  • Provides excellent sealing and durability.
  • Available in standard or extra thick to provide additional rocker arm to valve cover clearance.
  • For OE replacement, high performance street, drag race and oval track use.

Steel Core

  • Manufactured from high-density cork/rubber blend gasket material laminated to a steel core.
  • Steel core construction prevents the gasket from being drawn inside or pushed out of valve cover at high RPM.
  • Provides excellent sealing and durability.
  • For high performance street, drag race and oval track use.

Molded Rubber

  • Manufactured from high temperature silicone blend or nitrile blend rubber.
  • Steel core construction prevents the gasket from being drawn inside or pushed out of valve cover at high RPM.
  • Torque limiters prevent over-tightening of fasteners and gasket splitting.
  • For OE replacement, high performance street, drag race and oval track use.

Ultra-Seal®

  • Manufactured from high density cork/rubber blend gasket material.
  • A black latex rubber coating is applied to the outside of gasket to help seal minor flange irregularities and eliminate the possibility of oil leakage.
  • Creates a positive seal by controlled swelling of the gasket material when exposed to hot engine oil.
  • Available in standard or extra thick to provide additional rocker arm to valve cover clearance.
  • For OE replacement, high performance street, drag race and oval track use.

VALVE COVER GASKET INSTALLATION

If existing valve covers are being reused, clean and degrease before installing. Use gasket remover to aid in the removal of old gasket material. Check for warped or bent flanges and straighten as necessary (this is very important to insure a leak-proof seal).


  • Clean any oil residue off valve cover flange surfaces Apply a thin coat of Mr. Gasket #78080G silicone to hold gaskets in place during installation.
  • Install mounting bolts and tighten evenly in a crisscross pattern. Use care not to overtighten as this will cause the flanges to bend.
Narrow Results
Availability
  • In Stock
Engine
  • American Motors V8
  • Chevrolet Big Block Gen V/VI
  • Chevrolet Big Block Mark IV
  • Chevrolet Small Block Gen I
  • Chevrolet Small Block Gen II (LT Based)
  • Chevrolet Small Block SB2
  • Chrysler Big Block B/RB
  • Chrysler Hemi (Gen II)
  • Chrysler Hemi Gen III
  • Chrysler Small Block LA
  • Ford Big Block
  • Ford Boss 302
  • Ford Boss 429
  • Ford Cleveland
  • Ford FE Block
  • Ford Modified
  • Ford Small Block Windsor
  • GM Small Block Gen III/IV (LS Based)
  • Oldsmobile V8
  • Pontiac V8
  • Sonny's 5.0" Bore Spacing
Valve Cover Gasket Material
  • Cork w/ Steel Core
  • Molded O-Ring
  • Performance
  • Rubber
  • Rubber w/ Steel Carrier
  • Ultra Seal
  • Ultra-Seal 3
Valve Cover Gasket Thickness
  • .062"
  • .080"
  • .125"
  • .187"
  • .250"
  • .312"
  • Standard OEM
Packaging
  • Master Pack - Poly Bag
  • Retail
  • Retail - Skin Pack
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