Lift kit or spacers to run 315/70R17?

can I run 315/70R17 tires on my stock 2017 jeep wrangler unlimited sport without a lift or spacers?

 

Welcome @BLUE DREAM ....it will look okay parked but thats about it. Lifts, spacers and bigger tires go hand-in-hand.

 

Welcome @BLUE DREAM . As mentioned. It would look nice as a huge lawn ornament. Not very nice driving thou.
Spacers vs. lift kit. All depends on your budget, experience, and what your looking for in a rig.

A bunch of very knowledgeable members here who are very willing to help. Post up any questions you have.

 

So what r the biggest tires i can put on my stock 17 rims with spacers and not need a lift?

 

33s make a good fit. Quality wheel spacers properly installed can be a safe alternative when using OEM wheels for most rubbing issues

 

But what size r 33s considered? Ive heard so many people say so many different things. Ive heard tired that range from a 285 up to a 315 r considered 33s..

 

285/70R17 approx 32.7"
315/70R17 approx 34.4"

 

What @aggrex said. ^^^^^^^^.
Don't listen to "What so many people" are telling you. Listen to us. And you'll be fine. .