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Mr. Gasket Performance Header Gaskets 257G

Mr. Gasket Performance Header Gaskets 257G
$14.99 ea
NEWARRIVING SOONEstimated Ship Date 06/18/2024 (If Ordered Today)16 Available from HOLLEY PERFORMANCE PRODUCTS as of 05/27/2024
Model: 4011086
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
Mr. Gasket Performance exhaust gasket material is a heavy duty material, .062 inch thick, consisting of an acrylic binder system to resist high temperature. This material is made for sealing exhaust applications. Provides excellent sealing and durability.
  • Manufactured from high-temperature acrylic blend exhaust material
  • Provides excellent sealing and durability
  • Can be trimmed if necessary for modified port applications
  • For OE replacement, high performance street, drag race and oval track use


Vehicle Fitment:

The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.
Make Model Years Engine Fitment Notes
Ford Mustang 1969 7.0L / 429 / V8 EXHAUST GASKET SET; 16 BOLT; PORT DIMENSIONS W-1.40 IN. X H-1.78 IN.;
Ford Mustang 1970 7.0L / 429 / V8 EXHAUST GASKET SET; 16 BOLT; PORT DIMENSIONS W-1.40 IN. X H-1.78 IN.;


Collector Gaskets Included No
Emission Code 5
Engine Ford FE Block
Gasket Line Performance
Material Performance
Part Type Exhaust Manifold Gasket Set
Port Shape Rectangle
Port Size 1.40" x 1.78"
Product Type Header Gaskets
Proposition 65 www.P65Warnings.ca.gov
Thickness .062"
Warranty Limited 90 Day Warranty TX, Limited 90 Day Warranty
Weight 0.4000


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Mr. Gasket Performance Header Gaskets 257G:
Mustang Depot 2024