Traxxas 8459 - Spring retainers, lower (captured) (4)/ 2.5x10 CS (4)Accessory part for these models:Rustler 4X4Slash 4X4 UltimateSlash 4X4 VXLSlash 4X4Stampede 4X4 Unassembled KitStampede 4X4 VXLStampede 4X4Unlimited Desert Racer