To maintain its racing advantage

Easily installed in any open receiver port

Two Aluminum Steering Blocks Four Aluminum Pivot Ball with o-ring Retainers and Delrin cup One Hex Wrench

Connector (Battery): XT90-connector

Team Associated - Reedy Sonic 540-M4 Modified Motor 6.0 Driver Edition Replacement Parts Car and Truck Clutch and Related Parts To maintain its racing advantageThe 540 M4 Driver Edition is technically identical to the standard 540 M4, but is instead equipped with the popular #27447 rotor. This rotor is the lowest strength option, which is reported to improve throttle feel and consistency, resulting in better overall race times. Four versions featuring the most popular "dirt" winds will be available initially, with the potential for more to follow. All Sonic 540 M4 versions are ROAR, EFRA, BRCA, and IFMAR