RPM UDR Lower A-arms are redesigned from the ground up with one goal in mind - making them tougher than anything else available without breaking the bank. RPM started with some of the best engineering-grade materials, building a completely new, original, one-piece A-arm designed with the UDR's needs in mind. RPM beefed up the support arms in the direction of suspension travel. RPM then changed the angle of the A-arm at the pivot ball to improve clearance at the axle carrier. RPM also noticed stock A-arms actually contact the steering bellcrank at full suspension compression (and the wheels turned). Not so with RPM A-arms! Extra clearance means less chance of a bottomed-out suspension breaking the bellcrank. Factor in numerous other improvements, including slop reduction, and you have the best lower A-arms possible for your UDR!
Tech Notes: RPM Lower A-arms for the Traxxas Unlimited Desert Racer are sold in pairs and replace stock Traxxas #8532 & #8533 (pivot balls not included).
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