This gear is CNC machined drive gear that replaces stock cast metal 86097 Drive Gear 18-23 Tooth.
Compatible with Savage Flux HP transmission and Savage/Savage X 2 speed transmissions.
Will not fit in Savage 3 speed transmission
109083 HPI Savage X 4.6 GT-3 RTR 2.4GHz
861 HPI Savage X SS 4.6 Kit