This is the replacement metal transmission gear set for the Hobby People Runner SC short couse truck.

HPI Diff Gear Set - Savage Series Alloy Assembled

How do you make the toughest Monster Truck even tougher? Heres how! Add alloy gear cases!

Made from high-quality aluminum, these differential housings come with everything needed to install them in any of the Savage line of Nitro monster trucks. It include features such as steel cross pin supports and extremely accurate tolerances to help keep all of your differential parts in alignment even under massive loads. After hours and hours of testing R&D has determined that these parts can take any amount of power that you can throw at them. So if you are ready to take your Savage to the next level, these are the parts that will take you there.

54T Spur - Slash 4x4 HP Steel Slipper Kit

 This is an optional Robinson Racing Gen3 Slipper Kit, and is intended for use with the Traxxas E-Revo. Robinson Racing GEN3 Slipper Units are over-engineered to meet the punishing demands of the most powerful brushless motor systems!

The Savage Spur/Clutchbell combos are precision CNC machined from solid steel and hardened for the ultimate performance

Center 53T Differential Assembly for XTM Rail/XSTe

All TRAXXAS gears are precision CNC machined and hardened for the ultimate in performance and reliability

This is the steel spur gear with HD pinion part for the Vertex and Tempest. Metric 48P pitch.