XRAY's 358279 Long Progressive Springs offer a unique tuning option for serious RC racers. These springs are specifically crafted to provide a soft-to-medium progressive rate, marked with two stripes for easy identification. Designed to fit the rear of your XB808 and XB9 models, these springs deliver superior handling and cornering speed.
Developed from extensive testing and racing experience, these springs are engineered to offer a more progressive rate compared to standard XRAY racing springs. The initial softness of the spring generates increased grip as your car enters a corner, while the stiffness increases during compression, allowing for higher cornering speeds. Each spring is individually measured, controlled, inspected, and matched to ensure identical damping characteristics, providing the predictability and consistency needed for competitive racing.
Each spring undergoes a meticulous selection process where it is compressed in fine increments, and its values are recorded. This ensures that each pair of springs offers consistent performance, giving you the confidence to push your car to its limits on the track.
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