Upgrade your Thunder Tiger K-ROCK MT4 with these robust aluminum front upper arms designed by GPM. Crafted from high-quality 6061 T6 aluminum, these arms provide exceptional strength and elasticity, ensuring your RC model performs at its best. The innovative hollow design not only adds a touch of style but also reduces weight, enhancing overall performance. Delrin collars are integrated to minimize gaps and improve fitting precision, making these arms a demanding upgrade for serious hobbyists seeking durability and detailed craftsmanship.
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