Traxxas 8932X Caster blocks (c-hubs), 6061-T6 aluminum (blue-anodized), left & right/ 4x22mm pin (4)/ 3x6mm BCS (4)/ retainers (4)

These are caster blocks (c-hubs) 6061-T6 aluminum (blue-anodized) for left and right by Traxxas.
Includes
Four 4 x 22mm pins
Four 3 x 6mm BCS
Four retainers