An additional suspension helper added to the rear suspension. It helps: Reduce vibrations and shocks when driving over speed bumps or rough roads. Improve vehicle stability when carrying heavy loads or towing trailers. Slightly lift the vehicle to prevent the undercarriage from scraping over bumps or uneven roads. Extend the lifespan of the original springs by reducing direct load on them. Price: 2400, and Tamara payment service is available. Fits Sierra and Silverado models from 2014–2024 1500 series