What's the offset & backspace on a stock 2010 FX4 20" wheel? Are they 20x9 or 20x8.5 or 20x8?

Thanks!!!

I'm trying to figure out if Ballistic Off Road Wizards 20x9 +30 offset 6.18" backspacing w/ either Toyo Open Country AT 305/55/20 (33.2"x12.4") or 305/60/20 (34.3"x12.6") wheel & tire combo will fit on my 2010 FX4 SCrew with a 2" level kit installed w/o rubbing on the upper control arms???

teamroper

 

They will rub with the +30 offset. stock is 20x8.5 with a +44 offset. Does Ballistic offer a +18? That would be best. I have rockstar which are +10 but 20x8.5 instead of 9". They are perfect with the 305/55r20

 

I think you might be OK with the 305/55's. As the offset goes down from +44 you decrease the risk of rubbing on the control arms but increase the risk of rubbing on your flares or wheel wells with a wider tire. +30 isn't too extreme a difference from the +44. The distance from the mounting pad to the inside wall of the tire is about the same between the stock package and the new one.

 

^^^Just found that chart^^^


Thanks Guys!!!

Everyone says the backspace is 5.5" on the factory FX4 20's, but a +44 offset calculates out to a 6.5" backspace, according to this website?

http://www.bigcustomwheels.com/info_specs.jsp

These Ballistic wheels only come in a +30 or 0 offset. I'm really not wanting the tires to stick out of the fender wells too far?

I'll keep doing more research before I buy.

Thanks again!!!