I was trying to find out if GM has ever offered a 4.10 rear end with allison durmax set up?

I perty sure that they don't but just wanted to make sure and could not any find any solid info on it.

thanks

Always been 3.73, due to the rpm limitations of the motor. You can get aftermarket gears no problem though. Just make sure you get the rear set for a 11.5 ring gear 14 bolt, not the lighter 10.5..

4.10 gears are an option for the 8.1 gasser HDs, I believe. Never been a choice for the DMax.

I want 4.10 gears in my truck!! I found out that gm has not made the codes to change antilock chime light.The guy that installed my lift has 4.73 in his LLY,and has to wate to fix antilock chime.

P.S. My first post Thanks!