Head Gasket - Ultra-Seal - 283-350 Chevrolet Small Block Gen I 1957-91

Graphite Steel Shim - 4.130" Bore

PART# 1134G

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Graphite / Steel Head gaskets for small block Chevy, bore 4.130", Thickness .028"


ApplicationSmall Block Chevy
BrandMr. Gasket
Compressed Thickness.028 inch
Compression RatioUp to 14:1
Emission Code3
EngineChevrolet Small Block Gen I
Gasket Bore4.130 inch
Gasket LineUltra-Seal
MaterialGraphite Steel
Product TypeHead Gasket
Quantity Per Pkg.1
WarrantyLimited 90 Day
Part Number1134G


This part is legal for use on Uncontrolled (Non-Emissions Controlled) Vehicles or Racing Vehicles.

The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles:

  • 1965 and older U.S. manufactured California Certified vehicles
  • 1967 and older U.S. manufactured Federally Certified vehicles
  • 1967 and older Foreign manufactured vehicle

Racing Vehicles are vehicles that are used exclusively for racing or other forms of competition that are not registered and that may never be used on the street.

Tech Resources

Warranty Information

Limited 90 Day: See Details


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      Some parts are not legal for use in California or other states with similar regulations.