Feature 1Heavy Duty Construction: The seat base is made of a heavy duty cold rolled steel framework combined with high performance spring suspension, ensuring overall stability and durability, with long lifespan. 2Shock Absorption: The base transforms your seat into one equipped with shock absorption capabilities, reducing bumps and vibrations during driving, providing a more comfortable riding experience while minimizing physical strain and fatigue for both passengers and the driver. 3Slider Track Design: The seat base has sliding rails that can slide up to 130mm forward or 130mm backward, providing you with the optimum distance for steering wheel control. 4Wide Application: The suspension seat base is easily installable in a variety of large vehicles, including trucks, RVs, commercial vehicles, construction vehicles, and agricultural machinery. 5Great Seat Modification Choice: Are you frustrated by the bumps experienced while driving? Our seat base reduces the vibrations during your journey and is easy to install, making it an excellent solution for seat upgrades.Item Type:SeatSuspensionBaseMaterial: Cold Rolled SteelSlide Rail: Can slide 130mm/ 5.1in forward or backward(about a fist distance)Application: Easily convert your seat into a seat with shock absorptionfunction, reducing vehicle bumps and vibrations during driving, providing a more comfortable riding experience, and reducing pressure and fatigue on passengers and drivers' bodiesFitment: Easily installed on a variety of large vehicles, including trucks, RVS, commercial vehicles, engineering vehicles, agricultural machinery, etc., it is an excellent solution for seat modificationInstallation Instructions:Step 1: Confirm your installation position and clean the surfaceStep 2: Measure the size, mark and drill holes on the position you want to installStep 3: Fix the seat base on the floor (the fixing hole of the seat base is on the slide rail), and connect the gas tank connector to the air nozzle of the baseStep 4: Install the seat on the seat base and secure it to complete the installation Package List1 xSeatSuspensionBaseNoteInstallation requires drilling holes, it is strongly recommended to have an engineer assist with the installation to ensure the best shopping experience.