Vanquish Products Currie Portal Overdrive Gear Set. This is a replacement gear set for the SCX10-II Portal axles. Alternatively, this is an optional 1.67:1 gear ratio compared to the 1.4:1 gear ratio of overdrive gears included in the Currie F9, F10, VS4-10 Ultra, and VS4-10 Phoenix rear axles. Package includes two 18T and two 30T Portal gears.

Note: Suggested for use in the front axle, or axles that are for both the front and rear only.