GRAND AM Rolex D.P. and GT Recommended Wheel Rim widths

Slick

Tire Size
Rim
Max inflated diameter
Section width
Tread width
DP sizes
325/650-18
12Jx18
648.7
333.5
304.0
325/705-18
13Jx18
706.6
352.6
304.0
GT sizes
245/645-18
9.5Jx18
651.6
258.3
240.0
285/645-18
11Jx18
649.4
294.7
255.0
305/660-18
11.5Jx18
660.2
318.3
283.0
305/675-18
11.5Jx18
675.5
319.9
295.0
305/685-18
11.5Jx18
686.9
322.4
295.0


Rain

PIRELLI

Size

Tread

Rim

Max inflated diameter

Section width

Rim

Section width

Rim

Section width

Recommended

Other dimension

Other dimension

325/650-18

Rain

12Jx18

652

339

11.5Jx18

333
-

 -

325/705-18

Rain

13Jx18

709

348

12.5Jx18

342
-

 -

245/645-18

Rain

9.5Jx18

648

264

 

 
-

 -

285/645-18

Rain

10.5Jx18

648

292

11Jx18

298
-

 -

305/660-18

Rain

11.5Jx18

664

317

12Jx18

323
-

 -

305/675-18

Rain

11.5Jx18

680

317

12Jx18

323

 -

 -

305/690-18

Rain

12Jx18

695

323

11.5Jx18

317

12.5Jx18

330




Last Revised: 22-10-2007