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Mr. Gasket Ultra-Seal Header Gaskets; 1.65-Inch x 1.60-Inch D-Shaped Ports (55-91 Small Block V8 Corvette C1, C2, C3 & C4)Find parts that fit my vehicle
Item EK-25-901986
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$45.87
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Product Information
Description, Q&A
Features & Specs
| Brand | Mr. Gasket |
| Gasket Type | Header Gasket |
Description
Mr. Gasket Ultra-Seal Exhaust Gaskets
Mr. Gasket Ultra-Seal exhaust gaskets are designed and constructed to improve the sealing of exhaust header flanges. Unlike standard exhaust gasket material, Ultra-Seal gaskets incorporate a graphite-impregnated facing and a steel-expanded metal core that reinforces and increases their tensile strength. This allows the gaskets to conform to warped flanges, giving them better sealing capabilities without deteriorating or cracking under the excessive heat and pressure that's common in exhaust systems. Ultra-Seal gaskets are available for a wide range of port styles and sizes.
Additional features and benefits:
Expanded steel core provides stability and maximum torque retention to eliminate gasket failure
Graphite facing provides excellent heat resistance and thermal conductivity to transfer heat away from the cylinder head
High-recovery material allows header or manifold flange to stay sealed if flange loses clamp-load
Can be trimmed for modified port applications
Designed for OE replacement, high performance street, drag race, road racing, and oval track use
Mr. Gasket Ultra-Seal exhaust gaskets are designed and constructed to improve the sealing of exhaust header flanges. Unlike standard exhaust gasket material, Ultra-Seal gaskets incorporate a graphite-impregnated facing and a steel-expanded metal core that reinforces and increases their tensile strength. This allows the gaskets to conform to warped flanges, giving them better sealing capabilities without deteriorating or cracking under the excessive heat and pressure that's common in exhaust systems. Ultra-Seal gaskets are available for a wide range of port styles and sizes.
Additional features and benefits:
Expanded steel core provides stability and maximum torque retention to eliminate gasket failure
Graphite facing provides excellent heat resistance and thermal conductivity to transfer heat away from the cylinder head
High-recovery material allows header or manifold flange to stay sealed if flange loses clamp-load
Can be trimmed for modified port applications
Designed for OE replacement, high performance street, drag race, road racing, and oval track use
Fitment:
- 1955 Chevrolet Corvette
- 1956 Chevrolet Corvette
- 1957 Chevrolet Corvette
- 1958 Chevrolet Corvette
- 1959 Chevrolet Corvette
- 1960 Chevrolet Corvette
- 1961 Chevrolet Corvette
- 1962 Chevrolet Corvette
- 1963 Chevrolet Corvette
- 1964 Chevrolet Corvette
- 1965 Chevrolet Corvette
- 1966 Chevrolet Corvette
- 1967 Chevrolet Corvette
- 1968 Chevrolet Corvette
- 1969 Chevrolet Corvette
- 1970 Chevrolet Corvette
- 1971 Chevrolet Corvette
- 1972 Chevrolet Corvette
- 1973 Chevrolet Corvette
- 1974 Chevrolet Corvette
- 1975 Chevrolet Corvette
- 1976 Chevrolet Corvette
- 1977 Chevrolet Corvette
- 1978 Chevrolet Corvette
- 1979 Chevrolet Corvette
- 1980 Chevrolet Corvette
- 1981 Chevrolet Corvette
- 1982 Chevrolet Corvette
- 1984 Chevrolet Corvette
- 1985 Chevrolet Corvette
- 1986 Chevrolet Corvette
- 1987 Chevrolet Corvette
- 1988 Chevrolet Corvette
- 1989 Chevrolet Corvette
- 1990 Chevrolet Corvette
- 1991 Chevrolet Corvette
Mr. Gasket 5906
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
5.0
Reviews of Mr. Gasket Engine Products (1)
Reviews of Mr. Gasket Engine products have an average rating of 5.0 out of 5
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Will It Fit My Corvette
- 35th Anniversary Edition - 88
- Base - 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 77, 78, 79, 80, 81, 82, 84, 85, 86, 87, 88, 89, 90, 91
- Collector's Edition - 82
- Indianapolis 500 Pace Car - 78, 86
- Silver Anniversary Edition - 78
- Stingray - 75, 76
- ZR-1 - 90, 91
