Close Ratio 1st & 2nd Gear kit – includes mainshaft
The MFactory close ratio gear kit is for the GT86 & BRZ and consists of the following
1st gear is 2.992 (standard ratio is 3.626)
2nd gear is 2.08 (standard ratio is 2.188)
Mainshaft.
Gear kit works with oem synchros.
Note: Due to the increased size of the gears (for strength), the slider needs machining for clearance. Please see pic 2 & 3.