You are purchasing a pair of 1961-1972 Dodge Swept line D-100 Rear End Lowering Spring Hangers Bolt On. The spring hangers are way better to use than doing a rear end flip. The spring hangers are better to use than doing a rear end flip. With this it’s adjustable. Using these hangers, along with the longer shackles, you can get a 5-1/2” drop or less if you’d like. The spring hangers have 4 settings to lower the rear end. The spring hangers and shackles are a product of Guthrie Fabrications LLC. The spring hangers work with stock springs, reversed eye springs or lowering springs. We also make spring hangers and shackles for the swept line D-200 3/4 ton. We also have lowering rear shackles and C-notch kits. We carry lowering suspension parts for a number of different trucks including Ford and Chevrolet. Check out our other parts in our store. Thank you for looking.