ET Street® Radial Sizes:
Part# Size Equivalent
3752R P235/60R15 26x9.50-15
3753R P275/50R15 26x11.50-15
3754R P275/60R15 28x11.50-15
3757R P325/50R15 28x13.50-15
3762R P295/65R15 30x12.50-15
3763R P315/60R15 30x13.50-15
3793R P255/50R16 26x10.50-16
3743R P275/40R17 26x11.50-17
here's what MT has so far according to their website