Gear-X offers a choice of 4 different close ratio Gear Sets for the B series depending on your race application and tire/track size.
Each kit uses the included 3.07 long first gear, YOUR 2.105 ratio B16 OEM 2nd second gear and mainshaft, followed by the close ratio 3rd-5th gear of your choice: all kits include 7 gears in total. (long 3.07 1st, 3rd-5th close ratio gear pairs. You must retain and use your OEM B16 mainshaft and 2.105 ratio 2nd gear)
Road Race Kit 1: 1st 3.07 [ 2nd OEM 2.105] 3rd 1.652 4th 1.296 5th 1.000 Kit consists of seven gears
Road Race Kit 2: 1st -3.07 [ 2nd OEM 2.105] 3rd -1.695 4th- 1.296 5th- 1.000
Kit consists of seven gears
Road Race Kit 3: 1st 3.07 [2nd OEM 2.105] 3rd 1.652 4th 1.296 5th 1.033 Kit consists of seven gears
Road Race Kit 4: 1st 3.07 [2nd OEM 2.105] 3rd 1.695 4th 1.385 5th 1.000 Kit consists of seven gears