Specially designed for the 2019-2025 Chevy 1500 ZR2 or Trail Boss and GMC 1500 AT4X or AT4 trucks, these kits are designed to a higher standard, working within the parameters of the factory suspension and steering geometry to maximize potential while allowing optimal clearance for larger tires. Kits include strut spacers, adventure series upper control arms, hardware packs and steering stop extensions.