JT Gladiator Mojave Front Upper Bump Stop Spacer RockJock 4x4RockJock Jeep JT Gladiator Mojave Front Air Bump Stop Spacers are designed for use with our 1 1 2 in. JT Mojave Spacer Lift Kit. These spacers allow you to retain your Mojave's factory installed air bumps when installing the 1 1 2 in. lift. Simply unbolt your factory Mojave air bumps, bolt these spacers in their place and then bolt your bumps back onto the spacers! Spacers are CNC machined 6061 T6 aluminum, are clear anodized and include all necessary