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Mr. Gasket

Mr. Gasket Ultra-Seal III Valve Cover Gaskets

Fits 396-454 Chevrolet Big Block Mark IV - Dart Big Chief 14° Heads - Set of 2 Pieces

Part # 145S Be the first to write a review
In Stock
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$23.23
Suggested Retail
$25.81
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Mr. Gasket Ultra-Seal III is a premium composite material. Its high density, multi-polymer material developed for steam, oil, and chemical resistance in high performance and industrial applications. Perfect for sealing with low flange load, has high crush resistance, exceptional torque retention properties and unrivaled resistance to blowout. For applications with intermittent operating temperatures up to 650 degrees Fahrenheit.

Features:

  • Valve Cover Gasket Sets for Specialty Racing, Muscle Car, and Nostalgia Engines
  • Individual Valve Cover Gasket Sets are Skin Packaged (2 pieces)

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.

ApplicationRace
Brand Mr. Gasket
Cylinder HeadsDart Big Block Chevy Race Heads
Reher Morrison 12° Raptor
Emission Code5
EngineChevrolet Big Block Mark IV
PackagingRetail - Skin Pack
Product TypeValve Cover Gaskets
Quantity Per Pkg.2
Valve Cover Gasket MaterialUltra-Seal 3
Valve Cover Gasket Thickness.062"
WarrantyLimited 90 Day
UPC090127020548
Part Number145S
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.

Limited 90 Day: See Details
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