SAVOX HV DIGITAL MINI CYCLIC SERVO 8KG/[email protected] - PLUSRPM Rear A arms for the ARRMA Kraton, Talion & Outcast as well as the Durango DEX8T are designed for the ultimate in strength and durability while adding in some much needed features. First is slop elimination. Our A arms reduce the amount of movement of the A arm at the hinge pins, providing for better suspension response and more consistent suspension settings. Our next improvement is the addition of a second shock mount hole further out on the arm,