The RACEOPT 1:8 GT Progressive Dynamic Spring Set is aimed at racers and weekend tuners who want a more responsive suspension. The green springs feature a progressive rate that moves from 3.2 to 3.8, giving a wider usable range as loads increase.
These springs deliver predictable feedback through corners while offering extra support when the car is pushed hard. The progressive characteristic helps smooth small bumps while stiffening under heavier compression for consistent control.
The set is compatible with the majority of 1:8 scale shock designs and is suited to both sealed track and mixed-surface running. Adjust spring preload and shock damping to match the 3.2-3.8 progression for the best on-track balance.
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