Specifics and features: Trimming may be required on bed support Compatible with: For 1988 - 1998 Chevy Silverado / GMC Sierra 1500 Series Two Wheel Drive Wheel Drive Trucks Package includes: 1 - Pair Rear drop shackles (complete w/urethane bushings) 1- Pair of rear drop hangers w/ complete hardware This lowering kit will provide 3 or 4 inch drop to the rear of your truck. .