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Blue RPM front lower A-arms for the Associated MT8. The arms offer more durability than stock. Around the inner hinge pins there is 7% more material, and the thicker area is nearly 40% wider. The outer hinge pins get 28% more material and 9% more width. Stock arms are about 1/2 in (12.7mm) thick at the middle and taper at both ends, losing nearly 30% of their thickness at the outer pins. RPM's version stays a full 1/2 in (12.7mm) thick almost the whole way, with a slight taper at the inner pins to 0.45 in (11.43mm) so it fits the inner hinge pin bosses. Four support beams replace the usual two. Molded from an engineering-grade nylon blend.
