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Mr Gasket 5912 Header Gaskets - Ultra-Seal - 396-454 Chevrolet Big Block Mark IV 1965-90 Canada Performance Improvements

Mr Gasket 5912 Header Gaskets - Ultra-Seal - 396-454 Chevrolet Big Block Mark IV 1965-90

Mr. Gasket

  • $29.95 CAD
  • Save $10 CAD


HEADER GASKETS - ULTRA-SEAL - 396-454 CHEVROLET BIG BLOCK MARK IV 1965-90

Mr. Gasket, Ultra-Seal, Round Ports, 2.15"

• Manufactured from high-temperature steel core/graphite faced exhaust material.
• Expanded steel core provides stability and maximum torque retention to eliminate gasket failure.
• Graphite facing provides excellent heat resistance and thermal conductivity to transfer heat away from the cylinder head.
• Conforms to and seals minor surface irregularities. High recovery material allows header or manifold flange to stay sealed if flange loses clamp-load.
• Can be trimmed if necessary for modified port applications.
• For OE replacement, high performance street, drag race and oval track use.

Features:

  • Has A Graphite Core W/ Steel Outer Layers
  • Graphite Core Has Excellent Thermo-conductivity
  • Coated With High Temp Silicone For Sealing
  • Will Not (brindle ) Or Indent Aluminum Heads

Don’t see what you’re looking for? Give us a call toll free: 1-877-471-6700 or visit one of our Speed Shop locations.

NOTE: Act Fast - This Sale Special item is only available while supplies last. Quantities are limited and inventory shown may not reflect actual availability.


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