Traxxas 9063-ORNG Orange Aluminum Caster Blocks Servo Gears 21 cu in (3

21 cu in (3

This genuine replacement gear keeps your transmission shifting cleanly and reliably

Associated part number 21707

The improved audio output gives you clearer target-ID tone signal

Traxxas 9063-ORNG Orange Aluminum Caster Blocks Servo Gears 21 cu in (3Important fitment note: these are designed for 4X4 vehicles with the Extreme HD Upgrade Kit (9080) installed. They do not fit standard suspension components. Check that your vehicle has the 9080 series kit before ordering. The Traxxas 9063 ORNG is a pair of left and right aluminum caster blocks that improve the appearance, ruggedness, and control of your Traxxas model. Billet 6061 T6 aluminum construction adds strength and precision where you want it