Fast Air Ride Suspension System. With Full 4 Independent Corner Control. And Rear 2 Link Notch Kit. Ekstensive Metal Works Rear Suspension Kit. This air suspension kit is specifically designed for 99-06 Chevy/GMC Silverado/Sierra 1/2 ton trucks, allowing them to be lowered to the ground with a 33″ tall tire and 26-28″ wheel. The notch comes in one piece and easily fits over the frame, with the option to weld it on for added security. Additionally, the upper shock mounts are pre-welded onto the crossbars, saving installation time. Once the notch is installed, simply use the filler pieces provided to cut the frame and box in the bottom to create a smooth notch. The 2 link bars can then be attached to the factory hangers and bolted to the rear end using the included u-bolt kit. These bars already have the lower bag mounts and lower shock mounts installed with a 4 block. To complete the installation, the upper bag mounts are placed over the 2 link bag mounts and welded on, followed by attaching the pan hard bar using. 1999 – 2006 Chevrolet Silverado 1500. 1999 – 2006 GMC Sierra 1500. Air Ride Suspension Kit. Airmaxxx Front Bolt On Air Bag Cups. Airmaxxx Rear Weld On Air Bag Mounts. (2) Maxtrac Rear Mono-Tube Gas Shocks. (4) airmaxxx 2600 1/2. Airmaxxx Black 480 Dual Air Compressors. 150 on – 180 off Pressure Switch. Airmaxxx Black 5 Gallon 9 Port Steel Air Tank. (8) 3/8 Fast Flow Brass Valves w/Mounts. Airmaxxx 7 Switch Hand Held Controller. 50ft 3/8 DOT Air Hose. Nickle Plated Brass PTC Fitting Kit. Air Hose Cutter &. Airmaxxx Dual Air Compressor Wiring Kit.