Traxxas 6867 XX-Long Progressive Springs (+10% Pink Stripe) (2)

XX-long progressive-rate springs are custom-wound to provide responsive control over small bumps, with a progressively stiffer rate to absorb hard landings. Progressive springs are offered in different rates to tune your suspension performance or compensate for lighter or heavier vehicle configurations. Rates are relative to stock spring rates. (+10% rate, pink stripe) Fits XX-long Traxxas Ultra Shocks or Big Bore shocks using 3768 spring retainers.