RPM A-arms for the B64 & B64D were designed to solve critical issues reported to us by our customers. With stock A-arms, the amount of slop at the hinge-pins can cause your suspension settings to wander (we found as much as 0.003” or .076mm of clearance in the hinge pin holes of a stock set of new A-arms). Our hinge-pin holes are held to extremely strict tolerances, with no more than 0.0005” to 0.001” (.013 to .025mm) of clearance, an improvement of nearly 300%!
Durability is also key to staying on-track! RPM customers have repeatedly reported that stock A-arms break easily. Whether bashing or racing, RPM A-arms are the toughest A-arms on the market so a rough landing or a hit from another competitor won’t take you out of the race! We also use in-line screws to retain the outer hinge pins. Elimination of that extra hole increases the durability of our arms tremendously.
RPM A-arms are lighter than stock A-arms as well, weighing 2 grams less per A-arm (or 4 grams for the pair) . If you’re looking to shed weight or be able to move more weight around to optimal positions, RPM A-arms are the best option.
With unmatched performance, extremely lightweight materials and the ability to lock in your suspension settings even after a wicked wreck, RPM A-arms will get you across the finish line every time!
Tech Notes: RPM #73502 replaces stock Associated #92025.
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