How do you lower a 74 d100?

To lower a 1974 Dodge D100, you can use a combination of drop spindles, lowering springs, and possibly shorter shocks to achieve the desired ride height. Another option is to use a flip kit for the rear suspension, which involves relocating the rear leaf springs to a lower position. Additionally, you can consider adjusting the suspension geometry to maintain ride quality and handling. Always ensure that the modifications comply with local regulations and safety standards.