275/60/15 is a perfect fit

72bluNblu said

How much room do you have to the springs?

I would definitely try mounting those up without the spacers and see if you can manage it. I’d rather be closer to the springs than the quarters. And if it’s too close without the spacers you could still evaluate if maybe a 10mm spacer would work. 20mm is a pretty thick spacer and 10mm spacers are pretty cheap.

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Yes. One inch is plenty room between the tire and leafs.

Looks like there is zero room between the tire and the quarter panel if it hit a dip in the road.

Try 15mm even then 10 mm spacer. Even little leaf spring rubbing in the worst case scenario doesn't cut a tire and you don't see it.

The sharper outer lip will slice up the outside of a tire pretty good.