This replacement set supplies front and rear upper arms specifically made for select TAMIYA 1/10 scale buggies. The JR-TFD04-GU pieces are CNC-machined from aluminium, supplied as a pair and finished in gun metal for a stiffer, longer-lasting alternative to stock plastic arms.
Fitting is straightforward: remove the original upper arms, test-fit existing pins and retainers, install the aluminium arms and confirm full suspension travel and geometry before running. Use the stock mounting hardware where it fits, replacing any worn pins as required.
On-track, aluminium upper arms hold camber and toe settings more consistently under load than flexible plastics, helping to make suspension tuning—shock rates, toe and roll center adjustments—more predictable session to session.
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