Conversion Set for the HPI Savage 25 RTR, and Savage SS monster trucks. This is also the same gear set that is included as stock equipment with the Savage Flux. The 4 ...
are compatible with the HPI Sprint, Wheely King and Crawler King models, and are available in multiple tooth count options to fine tune torque and top speed. This product was added to ...
This is an optional HPI Hardened Differential Gear ...
Set. These hardened diff gears dramatically increase the durability and lifespan of the diffs in your HPI Trophy buggy or truggy. Package includes the gears and washers needed to upgrade one differential. ...