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Header Gaskets - Performance - 390-428 Ford Big Block FE 1966-71 - 14-Bolt

Mr. Gasket, Performance Material, Rectangular Ports, 1.38" x 2.12"

PART# 254G

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$28.28   Suggested Retail
$22.91   Holleydays Price
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Manufactured from high-temperature composite exhaust material. Provides maximum torque retention to eliminate gasket failure. Can be trimmed if necessary for modified port applications. Precision die cut for an excellent fit. For OE replacement, high-performance street, drag race and oval track.


BrandMr. Gasket
Collector Gaskets IncludedNo
Emission Code3
EngineFord Big Block FE
Gasket LinePerformance
Port ShapeRectangle
Port Size1.38" x 2.12"
Product TypeHeader Gaskets
WarrantyLimited 90 Day Warranty
Part Number254G


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.

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      *Free Shipping & Handling only offered to the contiguous US on orders over $100.

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

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