Timbren Suspension Enhancement System for 2018 Isuzu FTR rear suspension installs as a bolt-on rubber helper spring that cushions road impacts and self-adjusts to varying loads. Rated for 6,000 lbs., the kit avoids airlines or fittings and fits towing and hauling applications where added rear support is needed. It reduces suspension settling and improves handling and stability under load.
Timbren 2018 Isuzu FTR Rear Suspension Enhancement System