
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
7 left in stockChevrolet - Big Block
Intake Manifold GasketsUltra-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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