Aluminum Caster Blocks Blue ECX 2WD (HRAECT1906)

Billet CNC machined aluminum, hard anodized.

It is a direct fit hop-up and provides essential components including a differential gear, cover, gasket, and M2.5x14.8mm flat head cap screws.

Additional requirements include a 2mm hex wrench, internal differential gears, outdrives, and hardware parts, as well as silicone diff fluid.

The product will need internal differential gears and a cross pin or locked spool, and it replaces differential case parts in ASC91466.