How to determine offset needed

fordstang93 · #1 (**permalink**) 04-19-2010, 07:02 PM

I have a 2004 f250 with a 2.5" leveling kit. I currently am running 305/70/16 on stock rims and have clearance still. I want to run 18x9s with 35s. How do I determine what offset I need?

CT Performance, Inc. · #2 (**permalink**) 04-20-2010, 11:47 AM

4.5".......

**Discount Tire** · #3 (**permalink**) 04-20-2010, 02:42 PM

Shoot for a -6 to a -10mm on a 9" wide wheel. Some modifications will probably be needed.

**SickStroke6.0** · #4 (**permalink**) 04-20-2010, 04:47 PM

-12mm on a 9". I have 33x13x18s, with an 18x9 wheels with 4.5" backspace (-12mm) and I rubbed without trimming my lower valnce and zip tying the fender walls back.

fordstang93 · #5 (**permalink**) 04-26-2010, 10:38 AM

Thank you everyone.

**E Leggs** · #6 (**permalink**) 11-16-2010, 04:53 PM

i have a 2004 f250 i wana lift it 4 inches with 35x12.50 what is the offset i can get to have the tires stick out as far as possible without them rubbing i would like them to stick out like 2 inches but idk if thats possible without a higher lift

**Discount Tire** · #7 (**permalink**) 11-17-2010, 05:49 AM

With a 4" lift shoot for a 9" wide wheel with a -12mm offset. If you go with a slightly shorter tire you could run a 10" wide wheel with a -25mm offset (without rubbing).

jdeax82 · #8 (**permalink**) 03-24-2012, 12:06 AM

I'm putting a 6" lift and I plan on getting 22x9.5 with 37s. What offset would be best? I'm a retard when it comes to tires and wheels. Lol

**Discount Tire** · #9 (**permalink**) 03-24-2012, 08:34 AM

^
Most 22x9.5" wide wheels are going to have a -12mm offset (4.75" BS).

What year and model truck for you have?

jdeax82 · #10 (**permalink**) 03-24-2012, 08:45 AM

2008 f250 4x4

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