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Does anybody has a Doorman # for the stud which holds the manifold heat riser in position?

Mine snapped off, and I was going to drill it out/tap it and replace the stud while the manifold is off of the truck.


Do you think there is danger of the drilling process cracking the manifold?

Thanks in advance!

-T

Answered my own question after a bunch of searching.

If anyone else is wondering,

The stud is is 1/4” x 1” with 28 tpi on one end and 20 tpi on the manifold end

-T