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Mr. Gasket

Mr. Gasket Ultra-Seal Head Gasket

Fits 1963-1976 Oldsmobile 330-455 V8 - 4.230 Inch Gasket Bore

Part # 5788G Be the first to write a review
Estimated Ship Date: 12/22/2022
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$55.03
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$67.93
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5

Emissions

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.

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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 4.230 inch, Compressed thickness 0.038 inch

Features:

  • 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

About Mr. Gasket

Using his own '57 Chevy as a rolling testbed, drag racer Joe Hrudka launched the most famous gasket company in the world more than half a century ago. Mr. Gasket is the go-to gasket source for racers with gaskets and fasteners that seal perfectly every time.

ApplicationOldsmobile
Brand Mr. Gasket
Compressed Thickness.038 inch
Compression RatioUp to 14:1
Emission Code5
EngineOldsmobile V8
Gasket Bore4.230 inch
Gasket LineUltra-Seal
MaterialGraphite Steel
PackagingRetail
Product TypeHead Gasket
Quantity Per Pkg.1
Special OffersHolley Days
WarrantyLimited 90 Day
Weight0.5000
UPC084041022955
Part Number5788G
5

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.
Instructions for Part# 5788G
Limited 90 Day: See Details
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