Check the listing for details. Air Helper Spring Load Level Kit Bolt On White Gauge Fits Silverado 2500 2001-10. Condition: New. Listed at 379.15 USD. Air Helper Spring Kit airmaxxx Towing Load Level Brackets Directly Bolt In To Factory Holes of 2001-10 Chevy 2500 Trucks with 8 Lug Wheels Kit Includes: 2 - Standard 2500lb Air Bags Direct Bolt On, Air Bag Mounting Brackets With Hardware TowMaxxx Air Compressor1/4" Stainless Steel Braided Leader Hose1/4"NPT Check ValvePremium 40 Amp Relay & Harness15 Foot Roll of 1/4" Air Hose 4 - Compressor Mounting BoltsCompressor Filter Relocate KitAir Hose Cutter6 ml Bottle Of Medium Strength Threadlocker1/4"NPT Brass Air Valve With Fittings White Face, 200 PSI Air Gauge with Mounting Bracket 3 Position Fill/Off/Dump Rocker SwitchLED Light Bulb1/4"NPT Female to 1/4" Hose Fitting1/4" Hose Tee Fitting1/4" Hose to 1/4"NPT To 1/4" Hose Tee Fitting1/8"NPT Female to 1/4" Hose Barbed FittingFREE SHIPPING TO USA 48 STATES Fits: 2001 - 2010 Chevy/GMC 2500 Trucks With 8 Lug Wheels Will Not Fit Trucks With Rear Sway Bar Replaces Factory Bumpstops Provides Up To 5000lbs Of Leveling Capacity* Easily Add Or Remove Air Same As You Would A Tire*never exceed more than truck manufacturers maximum load recommendationsWant to upgrade your kit? Click Here!!! Adds larger compressor and tank options