- Standard Profile – Big brake clearance and available in 17”, 18”, 19”, 20”, 22”, 24”, 26” and 28" Diameters.
- Extreme Profile – Extreme Concave Profile for the Rear. Available in 19”, 20” and 22” Diameters, and 10” or wider widths.
7/8" Caliper Clearance |
| 1-1/4" Caliper Clearance |
| 1-7/8" Caliper Clearance |
| Size | Min Backspace | Max Backspace | | Min Backspace | Max Backspace | | Min Backspace | Max Backspace |
| 17x7 | 4.375 | 5.75 | | 4.00 | 5.375 | | N/A | N/A |
| 17x8 | 4.375 | 6.75 | | 4.00 | 6.375 | | N/A | N/A |
| 17x10 | 4.375 | 8.75 | | 4.00 | 8.375 | | N/A | N/A |
| 18x7 | 4.25 | 5.75 | | 3.875 | 5.375 | | 3.25 | 4.75 |
| 18x8 | 4.25 | 6.75 | | 3.875 | 6.375 | | 3.25 | 5.75 |
| 18x9 | 4.25 | 7.75 | | 3.875 | 7.375 | | 3.25 | 6.75 |
| 18x10 | 4.25 | 8.75 | | 3.875 | 8.375 | | 3.25 | 7.75 |
| 18x11 | 4.25 | 9.75 | | 3.875 | 9.375 | | 3.25 | 8.75 |
| 18x12 | 4.25 | 10.75 | | 3.875 | 10.375 | | 3.25 | 9.75 |
| 19x8 | 4.00 | 6.625 | | 3.625 | 6.25 | | 3.00 | 5.625 |
| 19x9 | 4.00 | 7.625 | | 3.625 | 7.25 | | 3.375 | 6.625 |
| 19x10 | 4.00 | 8.625 | | 3.625 | 8.25 | | 3.375 | 7.625 |
| 19x11 | 4.00 | 9.625 | | 3.625 | 9.25 | | 3.375 | 8.625 |
| 19x12 | 4.00 | 10.625 | | 3.625 | 10.25 | | 3.375 | 9.625 |
| 20x8.5 | 4.00 | 7.25 | | 3.625 | 6.875 | | 3..00 | 6.25 |
| 20x9 | 4.00 | 7.75 | | 3.625 | 7.375 | | 3.00 | 6.75 |
| 20x10 | 4.00 | 8.75 | | 3.625 | 8.375 | | 3.00 | 7.75 |
| 20x10.5 | 4.00 | 9.25 | | 3.625 | 8.875 | | 3.00 | 8.25 |
| 20x12 | 4.00 | 10.75 | | 3.625 | 10.375 | | 3.00 | 9.75 |
| 20x15 | 4.00 | 13.75 | | 3.625 | 13.375 | | 3.00 | 12.75 |
| 22x8.5 | 4.25 | 7.25 | | 3.875 | 6.875 | | 3.25 | 6.25 |
| 22x9 | 4.25 | 7.75 | | 3.875 | 7.375 | | 3.25 | 6.75 |
| 22x10 | 4.25 | 8.75 | | 3.875 | 8.375 | | 3.25 | 7.75 |
| 22x10.5 | 4.25 | 9.25 | | 3.875 | 8.875 | | 3.25 | 8.25 |
| 22x12 | 4.25 | 10.75 | | 3.875 | 10.375 | | 3.25 | 9.75 |
| 24x9 | 4.25 | 7.50 | | 3.875 | 7.125 | | 3.25 | 6.50 |
| 24x10 | 4.25 | 8.50 | | 3.875 | 8.125 | | 3.25 | 7.50 |
| 24x12 | 4.25 | 10.50 | | 3.875 | 10.125 | | 3.25 | 9.50 |
| 24x15 | 4.25 | 13.50 | | 3.875 | 13.125 | | 3.25 | 12.50 |
| 26x9 | 4.25 | 7.50 | | 3.875 | 7.125 | | 3.25 | 6.50 |
| 26x10 | 4.25 | 8.50 | | 3.875 | 8.125 | | 3.25 | 7.50 |
| 26x12 | 4.25 | 10.50 | | 3.875 | 10.125 | | 3.25 | 9.50 |
| 26X14 | 4.25 | 12.50 | | 3.875 | 12.125 | | 3.25 | 11.50 |
| 26X16 | 4.50 | 14.50 | | 4.125 | 14.125 | | 3.25 | 13.50 |
| 28X9 | 4.375 | 5.875 |
| 4.00 | 5.50 |
| 3.375 | 4.875 |
28X10
| 4.375 | 6.875 |
| 4.00 | 6.50 |
| 3.375 | 5.875 |
| 28X12 | 4.375 | 8.875 |
| 4.00 | 8.50 |
| 3.375 | 7.875 |
| 28X16 | 4.375 | 12.875 |
| 4.00 | 12.50 |
| 3.375 | 11.875 |
Extreme
Concave | 1/2" Caliper Clearance |
| Size | Min Backspace | Max Backspace |
| 19X10 | 2.125 | 5.25 |
| 19X11 | 2.125 | 6.25 |
| 19X12 | 2.125 | 7.25 |
| 20x10 | 2.125 | 5.25 |
| 20x10.5 | 2.125 | 5.75 |
| 20x12 | 2.125 | 7.25 |
| 20x15 | 2.125 | 10.25 |
| 22x10 | 2.50 | 4.75 |
| 22x10.5 | 2.50 | 4.75 |
| 22x12 | 2.50 | 6.75 |
Extreme Forging
Can only be used in the rear in widths of 10" and greater and only available in 19", 20" & 22" diameters
Minimum backspace recommended.