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Exterior Components› Body Panels and Components
Mr. Gasket
Ultra-Seal Header Gaskets Fits 1965-1990 Chevrolet 396-454 Mark IV Big Block Round Ports, 2.15 Inch Mr Gasket
SKU: M00S 5912
Easy — 1–2 hours
Overview
These gaskets are constructed with a steel core laminate and a graphite facing, providing excellent heat resistance and thermal conductivity. The high-recovery material ensures the flange stays sealed even if clamp-load is lost, while the expanded steel core offers stability and maximum torque retention.
Show original supplier description
Part #: 5912
Manufactured from high-temperature steel core/graphite faced exhaust material. 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. Conforms to and seals minor surface irregularities.High recovery material allows header or manifold flange to stay sealed if flange loses clamp-load. Can be trimmed if necessary for modified port applications.For original equipment replacement, high performance street, drag race and oval track use.Has A Graphite Core W/ Steel Outer LayersGraphite Core Has Excellent Thermo-conductivityCoated With High Temp Silicone For SealingWill Not (brindle ) Or Indent Aluminum HeadsDetails:Collector Gaskets Included: NoEmission Code: 5Gasket Line: Ultra-SealMaterial: Ultra-sealPort Shape: RoundPort Size: 2.15Warranty: Manufacturer's Limited 90 Day Warranty
Features:
- Has A Graphite Core W/ Steel Outer Layers
- Graphite Core Has Excellent Thermo-conductivity
- Coated With High Temp Silicone For Sealing
- Will Not (brindle ) Or Indent Aluminum Heads
Exhaust Manifold / Header Gasket - Ultra-Seal - 2.150 in Round Port - Steel Core Laminate - Big Block Chevy - Pair
Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
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Specifications
| Brand | Mr. Gasket |
| Part Number | M00S 5912 |
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