Airmaxxx Air Bag Tow Assist Overload on Board Kit. Air Bag Brackets Directly Bolt Into Factory Holes. Fits: 2001 – 2010 Chevy/GMC Trucks With 8 Lug Wheels That Are Lifted Up To 4.5 will not fit trucks with rear sway bar. Replaces Factory Bump Stops Provides Up To 5000lbs Of Leveling Capacity. Includes: 2 – Standard 2500lb Air Bags Direct Bolt On, Air Bag Mounting Brackets With Hardware 2 – 2 Air Bag Lift Spacers. 1/4 Stainless Steel Braided Leader Hose. 1/4NPT Check Valve. Premium 40 Amp Relay &. 15 Foot Roll of 1/4 Air Hose. 4 – Compressor Mounting Bolts. Compressor Filter Relocate Kit. 6ml Bottle Of Medium Strength Threadlocker. 1/4NPT Brass Air Valve With Fittings. Black Face, 200 PSI Air Gauge with Mounting Bracket. 3 Position Fill/Off/Dump Rocker Switch. 1/4″NPT Female to 1/4″ Hose Fitting. 1/4 Hose Tee Fitting. 1/4″ Hose to 1/4″NPT To 1/4 Hose Tee Fitting. 1/8″NPT Female to 1/4″ Hose Barbed Fitting. Never exceed more than truck manufacturers maximum load recommendations.