Upgrade the front suspension of your NBS truck with QA1’s coil-over kit. Designed for 2WD 1999–2006 Silverado and Sierra 1500s with QA1 tubular upper and lower control arms and includes QA1’s single adjustable coil-overs. Want to go lower? Pair them with QA1’s 2" drop spindles (Part Number: 9056-120) for a total drop range of 3" to 5" up front. Whether you're aiming for a subtle level or a slammed street look, this setup lets you get it just right. RIDE QUALITY YOU CAN TUNE This kit features QA1’s single adjustable coil-overs, allowing you to set your preferred ride height and fine-tune damping with 18 clicks of combined compression and rebound adjustment. It’s easy to adjust on the vehicle and delivers a noticeable improvement in both comfort and control. STRAIGHTFORWARD, BOLT-ON INSTALL This system bolts directly into place using standard tools—no welding required.

Features

• QA1 single adjustable front coil-overs with 18 clicks of valving control
• Tubular upper and lower control arms improve suspension geometry
• Pre-installed ball joints and bushings for easy installation
• Ride height adjustability to dial in stance and feel
• Spanner wrench and thrust bearing included
• 1"-3" drop 3"-5" with the drop spindle
• Bolt-on design—no welding required

Listed for 1 vehicle: the fitment table on this page shows each year, make and model it fits.