Enhance a Thunder Tiger K-ROCK MT4 with GPM KG054 front upper arms made from 6061 T6 aluminium to deliver stronger, longer lasting performance. The hollow construction keeps weight down while maintaining stiffness, and Delrin collars are fitted to reduce clearance and ensure a snug, repeatable assembly. These arms are suitable for modelers seeking a dependable, well finished component to refine front end feel.
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