I wanted to install a portal axle into the rear of my VS4-10 Pro. While this may sound odd, hear me out first. Plus I get into how you calculate overdrive percentages.
Portal Rear Axle: http://bit.ly/2klyt0o
Portal Overdrive Gears: http://bit.ly/2lV7qcq
AR44 6-Hole Overdrive Gears: http://bit.ly/2kltDjI
F9 Servo On Axle Mount: http://bit.ly/2m2WGcd
Percentage Difference Calculator: http://bit.ly/2ky5Qgr
VS4-10 Pro Available for purchase here: