[JimmyD]

Search button is your friend. Here is my thread on this subject. FWIW, I used Arrowcraft adapters.

So you are considering installing Alcoa 19.5s on your...

Thought that I would post this to outline my trials and errors of going with Alcoa 19.5s on my dually. Where there is a lot of info on this on the various Ford and Dodge forums, I could not find a lot for GMs. Following is what I went through to finally get to what I was trying to accomplish...

www.duramaxforum.com

 

[JimmyD]

thanks jimmy yep I’ve tried the search button but haven’t been able to find an answer specific to my question. I’ve been following your thread since the start and it’s been the most informative but I think yours are10x285 not a 10x225 wheel correct? Thanks for the great post, it has helped me a lot when I started looking at this project.

Not quite sure what you are asking. If you are asking about the bolt hole pattern for the wheels on my dually they are 10 x 275. This may help:

https://www.alcoawheels.com/alcoawheels/catalog/pdf/brochures/M_Series_SellSheet_final_printable.pdf