Wheel Spacers

Installed 1.25” BORA spacers after the 1.75” ReadyLift leveling kit w/ UCA replacements. Wanted to stay with the factory 18” wheels also. Had to trim a bit but stuffed some LT295/70R18 Nitto Recon Grapplers afterwards. Very pleased with the end result.

*Leveling kit, spacers & tires were professionally installed at the same location*
Did they have to cut your studs or did the excess fit in the wheel recess?
 

I am curious who had to trim their factory lugs?
The factory wheels have a concave backside to the spokes, so you do NOT have to trim the studs with a 1.5” spacer. (Even though the studs are slightly longer than 1.5”)
 

Did the 1.5 spacers affect fuel mileage at all?…just thinking about the extra weight added to each corner.
 

The factory wheels have a concave backside to the spokes, so you do NOT have to trim the studs with a 1.5” spacer. (Even though the studs are slightly longer than 1.5”)
What about for the 1.25" spacers?
 

Did the 1.5 spacers affect fuel mileage at all?…just thinking about the extra weight added to each corner.
I don’t really know… I put them on almost immediately after purchase. My driving is about 90% highway, and I get about 26mpg (3.0L Duramax)
 

What about for the 1.25" spacers?
From eyeballing it, I’d be worried about a 1.25” spacer and stock wheels… I think you’d need to trim the factory studs, but I haven’t measured to be sure. This is just my perception from installing my 1.5” spacers.
 

Has anyone added wheel spacers to a 2024 AT4X AEV 2500?
Go with 1.5" if you don't want to trim the factory studs. I put 1.25" studs on my 2021 AT4 HD and had to trim about 1/4" - 3/8" off the factory studs for the wheels to seat correctly. BORA spacers have served me well over the years.
 

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