Multi-Rate Spring Set, for Tra Wheels The Center Differential Set is

The Center Differential Set is supplied unassembled and requires the following parts transfering from your truck to complete the conversion:

durable EPP foam

but you can also run them in loose dirt and even in the mud

CNC machined aluminum components

4 x AA Alkaline Dry-Cells

Multi-Rate Spring Set, for Tra Wheels The Center Differential Set isThis Multi rate Spring Set for the Traxxas Front Shocks, used on the Slash, Rustler and Stampede. Multi Rate Springs, Dual Rate (DRS) allow the optimum spring rate for each application. These multi rate springs are soft at the beginning to soak up the small bumps, but transitions (crosses over) to the stiff part of the rate to resist bottoming on jumps and other big hits. Features: Spring Steel Construction 2 Red 1. 1mm Wire Multi Rate Springs 2