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RPM 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, providing for a lower profile suspension set-up. This second shock mount allows the shocks to lay down further and lowers the ride height for a lower center of gravity. This second shock mount matches the additional shock mount hole on our front A-arms (RPM #81482-sold separately).Another beneficial improvement comes from reduced weight. RPM Kraton, Talion & Outcast Rear A-arms are roughly 10% lighter than stock AARMA A-arms (48g each versus 53g for stock)!RPM rear A-arms have molded in mounting points for our optional mudguards-RPM #81412 (sold separately). If you plan on running through wet or muddy conditions, these guards are a must-have addition to help protect your driveline from debris kicked up from your front tires.Our A-arms are designed with leading and trailing 30* chamfered edges for smoother transitions over obstacles too tall for the suspension to clear. As an added benefit, these chamfered edges are more aerodynamic than stock as well. All RPM A-arms are molded from our nearly indestructible blend of engineering grade nylons for performance you can rely on when conditions are at their worst!Tech Notes: RPM ARRMA Kraton, Talion, Outcast & Durango DEX8T A-arms are sold in pairs. Our A-arms replace stock ARRMA #AR330249 and stock Durango #TD330707. Stock Durango dirt guards (#TD330764) are not compatible with these A-arms (must use RPM #81412).