(4pcs.) Exhaust Manifold Long Tube Sleeve Nut Kit. Fits 383, 400, 440 , Dodge, Plymouth & Chrysler Engines. OEM Quality. 3/8-24 x 2.84 inches long.

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383/400/440 Big Block Exhaust Manifold Tube Nuts

Correct exhaust manifold tube nuts found on Big Block Mopars from 1964 through 1978.  Kit contains 4 Long tube nuts.

We make it easy to service those exhaust manifolds.


 Need the OE Hex Nuts? Click HERE!

  Need a complete stud kit for the 68-74 Big Blocks? Click HERE!

 Need the complete stud kit for the 64-67 Big Blocks? Click HERE!

  • 5
    glad to find these kits were available

    Posted by Elijah on 24th Nov 2019

    Great find