Product information updated on 2021-08-25, Manufactured by BellTech - Part Number Belltech 6528, 2019-21 Silverado/Sierra 1500 2wd 6 inch Rear Drop Flip kit, Our custom crafted C-Sections create the necessary axle travel to reduce bottoming out by increasing the axle travel by 2 full inches. Our Flip Kit also includes shock extensions to help correct for a better working shock angle, improving your ride. Rou, Belltech Rear flip kits are engineered for each individual application, to relocate or “flip” the trucks axle from underneath the leaf spring pack, to on top of the leaf spring pack. This brings the axle and the wheels closer to the truck frame, lowering the rear of the truck up to 7”. Each kit is manufactured with high quality steel and feature a durable powder coated finish and Grade 8 hardware. A Belltech C-Notch is included in most Rear Flip Kits.