Belltech 1105SP Features:

• Optimal handling/ride characteristics for performance street use
• Lowers center of gravity for improved balance and stability
• Adjustable front 0-2 in. drop 
• Adjustable rear 1-3.500 in. drop
• Integrated Spring perch for perfect-fit installation
• Open-cell polymer progressive rate bump stop
• Bump-stop engagement is precise due to installed packer rings
• Consistent preset damping with low-friction design (50 mm body)
• Designed to be used with original equipment (OE) springs
• Durable hardened chrome piston rod (18 mm)
• Rebound/compression (35 mm) valves are separate
• Vulcanized rubber bushings with a high-durometer trait reduce vibrations
• Simple Straightforward installation

Note: Does not work on vehicles equipped with Mag Ride or Adaptive Air Ride Suspension