This Load Assist Kit comes with our famous 2600 BOSS Extreme Series double bellow Airbags rated at 2600lb / or 1181kg @ 100psi, Powder coated brackets, Quality SAE J844 Airline and all fittings to complete the installation. Manufactured by BOSS and branded BOSS you will know that you have a genuine Airbag that has been tested to pressures way beyond any practical application