TRAXXAS Shocks, GTR aluminum, blue-anodized bodies with TiN shafts (fully assembled w/o springs) (4) 38-5460A Description: Blue-anodized aluminum GTR shocks provide the ultimate in damping performance and control. A machined, threaded aluminum body with spring collar allows easy and precise preload adjustments. Vented spring perches help prevent dirt from packing around the X-ring seals. Shock shafts are coated in Titanium Nitride (TiN), making them harder and smoother for better scratch resistance, smoother performance, and longer seal life. Inside the shock, volume-compensating bladders ensure perfect damping throughout the travel range. GTR shocks are sold fully assembled in sets of four, complete with silicone oil. Springs sold separately. Accessory part for these models: E-Revo VXL Brushless Jato Revo Slayer Pro 4X4 XO-1