Ultra-Seal Head 283-400 Chevrolet Small Block Gen I 1957-1991 Fits 1970-1979 Chevrolet 400 Gen I Small Block Bore 4.190 Inch Mr Gasket
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 4.190 inch, Compressed thickness 0.038 inch
- Five layer (graphite core/perforated steel outer layers) composite construction
- Graphite core has excellent thermo-conductivity-transfers heat away from hot spots in head preventing Gasket burn-out
- Provides excellent stability, compressibility and high temperature endurance
- Coated with high temperature silicone to ensure sealing of engine fluids
- Will not brinell (indent) aluminum cylinder heads
- For high performance street, drag race and oval track use
Details:
- Engine: Small Block Chevy
- Compressed Thickness: 0.038
- Compression Ratio: Up to 14:1
- Emission Code: 5
- Gasket Bore: 4.19
- Gasket Line: Ultra-Seal
- Material: Graphite Steel
- Quantity Per Pkg.: 1
- Warranty: Manufacturer's Limited 90 Day Warranty
CALIFORNIA WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Vehicle Fitment
| Year | Make | Model | Trim |
|---|---|---|---|
| 1967 | Pontiac | Catalina | — |
| 1967 | Pontiac | Catalina | Safari |
| 1967 | Pontiac | Catalina | Ventura |
| 1970 | Chevrolet | Brookwood | — |
| 1970–1971 | Chevrolet | Chevelle | SS |
| 1970–1971 | Chevrolet | Chevelle | Greenbrier |
| 1970–1971 | Chevrolet | Chevelle | Malibu |
| 1970–1971 | Chevrolet | Chevelle | Nomad |
| 1970–1971 | Chevrolet | Chevelle | — |
| 1970–1971 | Chevrolet | Chevelle | Concours Estate |
| 1970–1971 | Chevrolet | Chevelle | Concours |
| 1970–1972 | Chevrolet | Caprice | — |
| 1970–1972 | Chevrolet | Kingswood | — |
| 1970–1972 | Chevrolet | Townsman | — |
| 1970–1972 | Chevrolet | Biscayne | — |
| 1970–1972 | Chevrolet | Kingswood | Estate |
| 1970–1974 | Chevrolet | El Camino | Custom |
| 1970–1974 | Chevrolet | Monte Carlo | — |
| 1970–1975 | Chevrolet | Bel Air | — |
| 1970–1976 | Chevrolet | Impala | — |
| 1970–1976 | Chevrolet | El Camino | SS |
| 1970–1976 | Chevrolet | El Camino | — |
| 1972 | Chevrolet | Brookwood | — |
| 1972–1974 | Pontiac | Firebird | Trans Am |
| 1972–1974 | Pontiac | Firebird | — |
| 1972–1974 | Pontiac | Firebird | Esprit |
| 1972–1974 | Pontiac | Firebird | Formula |
| 1973–1974 | Chevrolet | Caprice | Estate |
| 1973–1976 | Chevrolet | Caprice | Classic |
| 1974 | GMC | Sprint | Custom |
| 1974 | Chevrolet | Malibu | Estate |
| 1974 | Chevrolet | Monte Carlo | Landau |
| 1974–1975 | Pontiac | Catalina | Safari |
| 1974–1975 | Pontiac | Catalina | — |
| 1974–1975 | Pontiac | LeMans | Safari |
| 1974–1975 | Pontiac | LeMans | Sport |
| 1974–1975 | Pontiac | Bonneville | — |
| 1974–1975 | Pontiac | LeMans | — |
| 1974–1975 | Chevrolet | Laguna | — |
| 1974–1975 | Pontiac | Grand Am | — |
| 1974–1976 | Chevrolet | Malibu | Classic |
| 1974–1976 | Chevrolet | Malibu | — |
| 1974–1976 | GMC | Sprint | — |
| 1975 | Pontiac | Grand Prix | LJ |
| 1975–1977 | Chevrolet | K20 Suburban | Silverado |
| 1975–1978 | GMC | K15 Suburban | — |
| 1975–1978 | GMC | K25 | — |
| 1975–1978 | GMC | K15 | — |
| 1975–1979 | GMC | Jimmy | — |
| 1975–1980 | Chevrolet | K20 | Silverado |
