QA1 RDK52620 Rear Drop Kit, 99-06 GM, Single Adjustable, Long Bed

Looking to dial in the perfect stance on your NBS truck? QA1’s rear drop kit gives you a clean, consistent 2"–4" drop while maintaining ride quality and minimizing hassle. Designed for 2WD 1999–2006 Silverado 1500 long bed models, this system includes shackles, hangers, and QA1 single adjustable shocks.

CHOOSE YOUR IDEAL DROP

Whether you’re leveling your truck or going for a more aggressive stance, this kit gives you the flexibility to get the look you want. The included shackles and hangers work together to lower the rear 2" to 4", making it a great fit for street trucks, show builds, or anyone looking to clean up their ride height.

RIDE QUALITY YOU CAN TUNE

Paired with QA1’s single adjustable shocks, this kit lets you adjust compression and rebound together using 18 settings. You’ll feel the difference in comfort and control right away—and you can tweak the settings to match your driving style or road conditions.

STRAIGHTFORWARD, BOLT-ON INSTALL

This is a true bolt-on kit that installs with basic hand tools—no cutting or welding required. QA1 includes everything you need for a smooth install, including hardware and step-by-step instructions.

MADE IN THE USA

QA1 rear drop kit suspension is proudly made in Lakeville, Minnesota and built to last with a durable powder coat finish.

Specifications

• Shock Valving: Single Adjustable
• Bed Length: Long Bed

FEATURES & BENEFITS

• Adjustable 2" to 4" rear drop with included shackles and hangers
• QA1 single adjustable shocks with 18 clicks of tuning
• Maintains a smooth, controlled ride while improving stance
• Bolt-on install with no cutting or welding required
• Great match for QA1 front coil-over systems
• Made in the USA