Hot Racing Modular brass TRX-4 steering knuckles portal Gear Cover (steering blocks) for the Traxxas TRX-4 Add weight to your crawler where it needs it - down low. Adds to each steering knuckle, If needed you can get the (optional)weight to add on.

Features:

CNC machined solid brass

Three ways to add Opential weight to vehicle for greater stability.

Three rotated mounting position weight distribution for better performance

Direct replacement for factory plastic steering knuckles Portal Gear Cover