This is a set of optional Hot Racing Axle Carriers/Steering Blocks for any Traxxas Revo.

Constructed of 6061-T6 Aluminum, Blue in color
Redesigned Bearing support for use with 6x13x5mm bearing
Press-fit 6x13x5mm bearing in the carrier for reduced axle movement
Two-piece pillow-ball set screws use aluminum and Delrin for holding under extreme power conditions

Two Axle Carriers/Steering Blocks
Two 6mm x 17mm x 6mm Outer Bearings
Four Aluminum Set Screws

Installing on axles, no modifications required

Replacement Bearing, GPM9128 6x13x5mm bearing
Replacement Pillow-Ball Set Screws, DRVO021
Will also accept (6mm x 17mm x 6mm) bearing for added durability.