What would be the benifits of me putting 4:10 gears in my 05 gmc sierra. . . it

[Mikey Mike]

has a 6'' fabtech lift? its an extended cab standard bed i have 20 KMC XD series badlands wrapped with 35 in micky thompson baja atzs and someone told me i should get 4:10 gears so im just wondering what the benefits would be

 

[Sam Chicklets]

You will have a lot more torque at the wheels for pulling or climbing and snap off the line. But you will also lose gas mileage