depends on tire size. i had a 3.90 and it was really way to tall for the r-33 mission. you have to consider that the r-33 GTS-T has l;ike a 4.5 or 4.7 or something like that in it stock. i put a 4.88 inmine with 26 inch tires and the calculators say i will be turning 8000rpm at 127mph so i might have to jam 5th at the last second