MFactory | Final Drive | Honda Civic Type R | 2.0T K20C1 | 2015+Achieve the ultimate in acceleration with the MFactory Final Drive Gears. By changing your final gear ratios, you can experience a dramatic increase in acceleration, giving you on average, a 10 15% increase in torque throughout the entire rev range over the OEM Final Drive. Both options offer a significant increase from the OEM FK2 FK8 4. 111 ratio and the FL5 3. 842 ratio. Diamond Cut to exacting tolerances from Forged High Nickel Chromium Molybdenum