QA1 RCK52360 Rear Pro Coil Single Adjustable Coilover Kit 1971-1976 GM B-Body Big Wheel No Springs

The QA1 RCK52360 is a Big Wheel Rear Pro Coil Kit designed for 1971–1976 GM B-Body vehicles, featuring single adjustable shocks for custom ride tuning. This rear coilover conversion kit is engineered for Donk, custom, street, and hot rod builds where large-diameter wheels demand a purpose-built suspension solution. Springs are not included, allowing you to select the spring rate that best matches your build and wheel/tire package.

This bolt-in rear coilover system delivers adjustable ride height, letting you run up to 28-inch wheels while keeping your rear suspension properly dialed in. Ride height can be raised up to 2 inches above stock or lowered up to 3 inches below stock, giving you full control over stance and fitment.

Key Features:

• Single Adjustable Shock Valving — Fine-tune compression and rebound damping with a simple knob adjustment to firm up or soften the ride to your preference
• Adjustable Ride Height — Up to 2" above or 3" below stock ride height for custom stance and big wheel clearance
• Big Wheel Compatible — Engineered to accommodate up to 28" wheels on 1971–1976 GM B-Body platforms including Impala and Caprice
• No Springs Included — Sold without springs, ideal for builders who want to select their own spring rate (pairs with QA1 or aftermarket coilover springs sold separately)
• Bolt-In Installation — All necessary hardware included; installs at home or at a local shop without custom fabrication
• Powder-Coated Finish — Components arrive powder coated and ready to install for lasting durability
• Limited Lifetime Warranty Eligible — QA1 single adjustable shocks qualify for a limited lifetime warranty upon registration at QA1.net/Warranty
• Made in the USA — Proudly manufactured in Lakeville, Minnesota

Whether you're building a show-worthy Donk or a high-performance street machine, the QA1 RCK52360 rear coilover kit gives you the foundation for a properly suspended, great-looking B-Body build. Compatible with factory rear axle housings and Quick Performance 9" rear axles.