Upgrade your LOSI HAMMER REY U4 ROCK RACER with these precision-engineered aluminum rear adjustable spring dampers by GPM. Designed to reduce friction and absorb pressure, they ensure your vehicle maintains superior balance during intense racing conditions. The dampers feature a robust 1.8mm spring wire diameter and an extended shock shaft thickened from 3.0mm to 4.0mm, providing increased durability and resistance against bending.
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