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Home RC Car Parts RPM B44, B44.1 and B44.2 Front A-arms
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RPM B44, B44.1 and B44.2 Front A-arms

RPM B44, B44.1 and B44.2 Front A-armsNew from RPM is an upgraded set of front a-arms designed for the Team Associated line of 4wd off-road buggies including the B44, B44.1 and B44.2. Improvements over the stock parts include increased structural integrity to eliminate potential breaking points, as well as reduced slop at the hinge pins and caster block mounting points for better overall suspension performance

RPM’s box-stock B44.2FT test vehicle came with hinge pin holes with .005” (.13mm) of clearance in each hinge pin hole! That’s a total of .01” (.26mm) of slop (inside and outside hinge pins combined) before the vehicle ever ran! By tightening up these “loose” areas with RPM A-arms, the B44’s camber, caster and toe angles are locked in place while improving suspension consistency.

RPM also found that the stock anti-sway bar pivot balls molded in the A-arms are .005” (.13mm) undersized. That leads to inadequate performance of the sway-bar system. They rectified that by eliminating the molded ball entirely and replaced it with a more stout, machined pivot ball (not included – see “tech notes” below), with closer tolerances on the ball diameter. Each RPM A-arm for the B44 is molded in black and comes with a limited lifetime warranty against breakage.

RPM A-arms for the B44 fit the B44, B44.1 and B44.2. Individuals wanting to run a sway bar system must use any standard 4.3mm ball stud such as Associated #6276. RPM recommends Associated balls studs for the most consistent diameter but any 4.3mm ball stud with a 4-40 x ¼” thread will work.

Specs

  • Release Date: January 15th
  • Part: 73432
  • Price: $12

Pictures

 
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