RockJock's Jeep JT Gladiator Mojave Front Air-Bump Stop Spacers are designed for use with with their 1 1/2 in. JT Mojave Suspension System. 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 hardware.