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Bolt Hole Dimensions and Shank Width of Flash Strong Solid Steel Two Ball Mount  

Updated 10/14/2026 | Published 10/11/2026

Question:

What are the measurements of the bolt holes? What is the width of the shank? FA49-00-5925

0

Expert Reply:

Hey Rob, welcome back! The vertical adjustment holes on the Flash Strong Solid Steel Two Ball Mount part # FA49-00-5925 are 3/4 inch in diameter and are spaced 1 inch apart. The width of the shank is 2-1/2 inches. Are you wanting to attach something different to the shank of this by chance like a weight distribution head?

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Jameson C
Rob P. profile picture

Rob P.

10/12/2026

Yes, but unfortunately my weight distribution is 2" with my old truck...my new truck is 2.5"

Jameson C. profile picture
Etrailer Expert

Jameson C.

10/12/2026

@RobP We have shanks that are designed for WD systems and 2.5 inch hitches like the Curt # C17131. This can do a drop of up to 3-1/4 inches. How much drop do you need?
Wes profile picture

Wes

10/14/2026

@RobP if it’s a brand new truck you should’ve got a 2-21/2 adapter with it if not you can get one fairly cheap…I’ve been towing with Anderson wdh with no problems for 3 years
Jameson C. profile picture
Etrailer Expert

Jameson C.

10/14/2026

@Wes the hitch adapters will get the job done but a lot of people don't love them as they add a little bit of movement to the towing setup.
See All (5) Replies to Rob P. ∨

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