Big lift kits are the full suspension solution for your complete lift kit package by ReadyLIFT. Run large tires and give your truck an aggressive look. ReadyLIFT’s big lift kits provide maximum lift while maintaining factory handling. Big Kits will allow you to take your truck adventure to the next level. This is the go-to truck lift kit for performance-minded customers. If you want a really large lift on your truck, suspension lift kits deliver, allowing you to achieve up to 6, 7, 8, or 9 inches of lift. These kits are also excellent if you want to really build a customized truck because they allow you to virtually install any tire and wheel size.