i need some help i have a 2001 blazer zr2 4x4 2door it has 31x10.5x15 tires what can fit on this with out messing up the speed omiter masterrayne@yayoo.com e-mail me

 

Anything larger than your current stock size will throw off the speedometer. But also keep in mind that you need to look at the tire manufacturers specs for overall diameter because not all tires are true sizes. Some say 32" but its really 31.4" and ect.

 

you know what rims will fit my blazer zr2 an the year i can use

 

the bolt pattern is 5x4.75

 

I dont think you can fit any larger than 31's without lifting it. On a zr2 you can fit 33's with a 2" body lift and a 2" shackle and tbar crank