This is a replacement Arrma 8S-BLX 180mm Shock Set, intended for use with 8s-BLX Kraton kits. This assembled 180mm Shock Set provides ideal replacement parts for your kit supplied items. Features: High-quality materials - Supplied assembled without springs Pre-filled with 500cSt silicone shock oil Ready to bolt on to your vehicle after fitting your choice of spring Threaded spring preload adjusters included for fine-tuning of vehicle ride height Includes: (2) Assembled 180mm Shock Absorber