Ok my 04 G.C I’m have recently installed an IRO 3 inch foundation kit . It gained 3 1/4 front 4 rear. Right now I’m running 255/75/17’s Goodyear Wrangler SRA tires on a set of JK rims. I spoke with IRO and they recommended adding there 3/4 spacers as mine is low in the front. The 255/75 tires equal 32.06x 10.00 the 275/70 tires equal 32.16x11. Has anyone run that size?
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