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Mr. Gasket Ultra Seal 3 Valve Cover Gaskets

Fits 1966-1971 Gen II Chrysler 426 Hemi with Dart, Anderson, and Johnson Cylinder Heads.

PART# 380

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$37.04   Suggested Retail
$30.01   Holleydays Price
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Mr. Gasket Ultra-Seal III is a premium composite gasket material. This is a 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.


  • Valve Cover Gaskets for Specialty Racing, Muscle Car, and Nostalgia Engines


ApplicationChrysler 426 Hemi (Gen II)
BrandMr. Gasket
Cylinder HeadsAnderson Hemi Heads
Dart Hemi Heads
Johnson Hemi Heads
Emission Code5
EngineChrysler Hemi (Gen II)
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
Part Number380



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.

Warranty Information

Limited 90 Day: See Details
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       X  Holleydays 2020 20% off and DD
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