
5817 Ultra-Seal Intake Manifold Gaskets for 1965-1990 Big Block Chevy 396-454 Gen IV
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
Get the right gasket for your project. These top-of-the-line Mr. Gasket Intake Manifold Gaskets are recommended for OE replacement, high-performance street, drag race and oval track applications. All Mr. Gasket Intake Gaskets are sold in pairs unless specified otherwise.
Performance Material
- Manufactured from cellulose/nitrate composition gasket material
- Provides excellent sealing and durability
- Can be trimmed if necessary for modified ports
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Ultra-Seal Material
- Manufactured from cellulose/nitrate composition gasket material
- Provides excellent sealing and durability
- Silicone beading applied around each port to create a tight leakproof seal
- Cam be trimmed for modified ports
- Complete with manifold end rail seals and distributor gasket
Ultra-Seal III Material
- Made from high-density, high-tensile strength, and high-temperature gasket material
- Delivers excellent sealing properties for oil, fuel and coolant
- Seals using low flange pressure (clamp force)
- Can be modified (trimmed) easily to fit custom applications
- Requires no gasket sealer for installation
- Releases easily (no scrapping required) will not stick to mating surfaces when disassembling an engine
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