MFactory B-series Final Drives
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.

Made from imported Japanese SAE 8620 and 4320 Steel
Forged, Double Tempered and Super Sub-Zero treated for unsurpassed toughness
Advanced Shot Peening technology increases surface hardness
Advanced gear geometry designed using industry-leading software puts more power to the ground