This is the Integy Silver Aluminum Ball Bearing Supported Throttle Mix Arm for the Traxxas Revo 2.5 and 3.3 trucks.  This ball-bearing supported throttle arm allows for ultra-smooth throttle transition.  It looks great too!

FEATURES
Direct fit hop-up requires no modification for intallation
Aluminum construction, silver in color
Two pre-installed 5x8mm bearings

INCLUDES
One aluminum throttle mixture arm with installed bearing
Two 3x6mm flat washers

REQUIRES
Installation following the vehicle manual