This is an optional HPI HD Mod 1, 18/23 Tooth Drive Gear, and is intended for use with the HPI Savage Flux Monster Trucks, as well as the Savage X, Savage X SS and Savage X 4.6 trucks. This will also fit older Savages with 2 speed transmissions. This HD Drive Gear is a direct high performance upgrade for the HPI86097 Drive Gear. It is made from tough machine cut steel for improved durability compared to the stock part.
This part is not compatible with 3 speed transmissions.
This product was added to our catalog on December 5, 2011