This is the Essentials* bearing kit by Avid RC for the Team Associated B6.1, B6.1D, B6.1 Factory Lite, T6.1, SC6.1, B6, & B6D Essentials.
*The Essentials kit removes the bearings that don't typically need replacing such as the (8) 3x7x3 steering rack bearings and the (2) 5x8x2.5 bearings in the ball diff. You can always make a custom kit by shopping for the bearings individually but the Essentials kit quickly saves you money.
4- 10x15x4 Revolution
8- 5x10x4 Revolution
2- 3x13x5 Revolution