This kit utilizes HIGH quality FIRESTONE air sleeves, fittings and DOT line. This is the most cost effective way to get that perfect stance or level ride when hauling or loaded! This kit comes with all the right parts! Compare our Premium air helper kit to the McGaughys 33024 and save BIG! This Premium Aire Helper Fits. This Premium Air Helper Kit Includes. Premium Firestone Air Helper Bags (Two). Fabricated Upper Bag Brackets. Fabricated Lower Bag Brackets. Manual Schrader Inflation Valve. Works on 6″ & 7″ Rear Drops. Requires Truck To Be Lowered W/ Axle Flip Kit. Works With All Brand Drop Parts. Some Trucks May Require Axle Limiting Straps To Prevent Over Extending Air Bags. Some Trucks Will Need Notch Re-Drilled To Use Brackets. 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998 Chevy Silverado C1500 W/ 6″-7″ Rear Drop. 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998 GMC Sierra C1500 W/ 6″-7″ Rear Drop.