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5817 Ultra-Seal Intake Manifold Gaskets for 1965-1990 Big Block Chevy 396-454 Gen IV
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MR GASKETPART NUMBER: 720-5817

5817 Ultra-Seal Intake Manifold Gaskets for 1965-1990 Big Block Chevy 396-454 Gen IV

$4793$53.25You Save$5.32
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Chevrolet - Big Block
Intake Manifold Gaskets
  • Ultra-Seal Material
  • 1965-1990 Big Block Chevy 396-454 Gen IV
  • Thickness: 0.060 in.
  • Rectangular Raised Port: 1.850 in. X 2.550 in.
  • No Upper Bolt Holes

    Mr. Gasket 5817 Intake Manifold Gaskets Features:

    Designed for maximum sealing performance and long-term durability, Ultra-Seal Intake Manifold Gaskets are an excellent choice for OE replacement and high-performance engine builds. Whether you're upgrading your street car, building a competitive drag racer, or dialing in an oval track engine, these gaskets deliver superior reliability under extreme conditions.

    • Made from high-quality cellulose/nitrile composite material for excellent resistance to heat, pressure, and chemical exposure
    • Silicone beading surrounds each intake and water outlet port on both sides of the gasket for a tight, leak-proof seal without the need for gasket sealer
    • Includes all necessary components for a complete installation: intake manifold gaskets, manifold end seals, and a distributor gasket
    • Ideal for OE replacement as well as performance applications including high-performance street, drag racing, and circle track engines
    • Precision engineered to deliver consistent sealing and prevent vacuum leaks, coolant seepage, and performance loss
  • Part TypeIntake Manifold Gasket
    BrandMR GASKET
    Package Height0.5
    Package Width6.0
    Package Length24.0
    Weight0.33 PG
    Part CategoryPerformance Parts
    Thickness0.06 in (1.5 mm)
    Port Height2.5 in (63.5 mm)
    PositionN/A
    Port ShapeRectangle
    QuantitySold as a set
    Port Width1.75 in (44.5 mm)
    Port StyleRectangular raised port
    MaterialUltra-seal
    Gasket MaterialUltra-Seal
    Part FitmentSemi Universal
    Engine Make/SizeChevy Big Block (396-454)
    Vendor Part Number5817
    Package Qty1
    Package TypeEA
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