Reverse Gear Box for GY6 150cc Go-Karts with External Reverse

Reverse drive assembly for 150cc go-karts. Used on most models with external reverse.
Requires splined shaft (19 splines)
Sprocket is 18T (Compatible with #40,41, or 420 Chain)
Includes Spacer
If your buggy has separate F / N / R (Forward, Neutral, and Reverse) gears, the vehicle has an internal reverse, and this reverse assembly will not work with those vehicles.
Not a bolt on reverse kit for a Spiderbox. It would take several modifications to fit.