QA1 RCK52440 Rear Pro-Coil MOD-Adjustable Coilover Kit 64-72 GM A/G-Body 14in. 130lb. Springs

The QA1 RCK52440 is a bolt-in rear coilover conversion kit engineered for 1964–1972 GM A-Body and G-Body vehicles. This complete system replaces the factory rear suspension with a high-performance coilover setup, delivering superior ride quality, stance control, and tunable damping for street and track use.

MOD Series 4-Way Adjustable Shocks:

This kit features QA1's premium MOD Series shocks, offering 4-way independent adjustability with separate tuning of high-speed and low-speed compression and rebound damping. This level of control allows precise suspension tuning for any driving scenario, from daily street use to competitive track days.

Key Features:

• MOD Series shocks with 4-way adjustable valving — independent high and low speed compression and rebound tuning
• Fully threaded aluminum shock body for ride height adjustment
• 14-inch springs with a 130 lb/in. spring rate included
• Specially designed mounting brackets engineered for direct bolt-in fitment
• Sold as a complete kit — includes two shocks, two springs, brackets, and all necessary mounting hardware
• Clear anodized aluminum construction for corrosion resistance and reduced weight
• Proudly made in the USA in Lakeville, Minnesota
• Eligible for QA1's Limited Lifetime Warranty (registration required at QA1.net/Warranty)

The QA1 Pro-Coil rear coilover conversion is a true bolt-in upgrade requiring no cutting or welding, making it an ideal solution for classic GM muscle car owners seeking improved handling performance and a customizable stance.