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Mr. Gasket Performance Composition Head Gasket

Fits 1957-1991 Small Block Chevrolet 283-350. 4.150 Inch Bore, .055 Inch Compressed Thickness.

PART# 11300G

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$18.51   Suggested Retail
$14.99   Holleydays Price
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Mr. Gasket performance composition head gaskets are for stock replacement and engineered to meet or exceed original equipment gasket and sealing specifications. These are the same gaskets that have been available only in the complete overhaul gaskets kits, but are now available separately. These gaskets are for use in daily drivers, muscle cars and street rods that use stock style gaskets. Budget priced and sold individually.


  • Engineered to meet or exceed OE gasket and sealing specifications
  • Same gasket as in Mr. Gasket OE gaskets kit, but now available separately
  • For use in daily drivers, muscle cars and street rods that use stock style gaskets
  • Budget priced and sold individually


BrandMr. Gasket
Compressed Thickness.055 inch
Emission Code5
EngineChevrolet Small Block Gen I
Gasket Bore4.150 inch
Gasket LinePerformance
Product TypeHead Gasket
Quantity Per Pkg.1
WarrantyLimited 90 Day
Part Number11300G



This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

Tech Resources

Note: This head gasket is not recommended for an OEM 400 C.I. small block Chevy engine since it does not have the small steam holes between the bores.

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.

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