VIAIR Model 20002 is a ultra duty cycle 200 PSI, 100% duty cycle onboard air system that is pre-packaged solution that will provides 2.5 gallon air tank, inline pressure regulation and components that you will need for installation. Compressors are capable of inflating tires, managing air locking differentials and more. Please Note: Use thread sealant for proper installation. Telfon tape is not recommended. Properly sealed, recommended torque for 1/8" is 10-11 ft. lbs. Recommended torque for 1/4" and 3/8" is 16-18 ft. lbs.