All motor ratios 2.91 / 2.00 / 1.50 / 1.15
Turbo HD ratios 2.91 / 2.00 / 1.40 / 1.05
*Even though the final drive is "long" for turbo, the ratios on gears 1-4 are shorter so the final drive has to be longer to even things out. Trap speed between competitor brands is very comprable. Enter into ratio calculator to see for yourself.
*Note - Turbo HD comes with the GRAF Billet Shift Forks 1-2 & 3-4
This kit is tested and rated for 1000WHP safe.