Mr. Gasket Ultra-Seal Head Gaskets are a five layer (graphite core/perforated steel outer layers) composite construction. The graphite core has excellent thermoconductivity (transfers heat) away from hot spots in head preventing gasket burn-out. They provide excellent stability, compressibility and high temperature endurance. A high temperature silicone coating ensures sealing of engine fluids. Compatible with cast iron or aluminum heads, they will not brinell (indent) aluminum cylinder heads. Suitable for high performance street, drag race and oval track use. Sold individually.
Gasket Bore 4.520 inch, Compressed thickness 0.038 inch
Specifications:
| Description_EXT |
Fits 1965-1990 Chevrolet 396-454 MARK IV Big Block - 4.520 Inch Gasket Bore |
| Description_DES |
Mr. Gasket Ultra-Seal Head Gasket |
| Description_MKT |
Mr. Gasket Ultra-Seal Head Gaskets are a five layer (graphite core/perforated steel outer layers) composite construction. The graphite core has excellent thermoconductivity (transfers heat) away from hot spots in head preventing gasket burn-out. They provide excellent stability, compressibility and high temperature endurance. A high temperature silicone coating ensures sealing of engine fluids. Compatible with cast iron or aluminum heads, they will not brinell (indent) aluminum cylinder heads. Suitable for high performance street, drag race and oval track use. Sold individually.
Gasket Bore 4.520 inch, Compressed thickness 0.038 inch |
| Description_INV |
U/S HD GSKT BB CHEV GENIV 1 PC |
| Description_FAB |
Five layer (graphite core/perforated steel outer layers) composite construction |
| Description_FAB |
Graphite core has excellent thermo-conductivity-transfers heat away from hot spots in head preventing gasket burn-out |
| Description_FAB |
Provides excellent stability, compressibility and high temperature endurance |
| Description_FAB |
Coated with high temperature silicone to ensure sealing of engine fluids |
| Description_FAB |
Will not brinell (indent) aluminum cylinder heads |
| Description_FAB |
For high performance street, drag race and oval track use |
| Gasket Bore |
4.520 inch |
| Packaging |
Retail |
| Weight |
0.5000 |
| Brand |
Mr. Gasket |
| Compressed Thickness |
.038 inch |
| Compression Ratio |
Up to 14:1 |
| Emission Code |
5 |
| Engine |
Chevrolet Big Block Mark IV |
| Gasket Line |
Ultra-Seal |
| Product Type |
Head Gasket |
| Quantity Per Pkg. |
1 |
| Warranty |
Limited 90 Day |
| Application |
Big Block Chevy |
| Length |
0.2000 |
| Width |
10.0000 |
| Height |
29.0000 |
| Weight |
0.5500 |
