Moog CC501 Coil Spring Set - Rear

Overview of Moog CC501 Coil Spring Set

The Moog CC501 coil spring set is engineered for reliable suspension performance on select Buick, Chevrolet, Oldsmobile, and Pontiac models. Designed with a variable rate spring type, this coil spring set offers consistent handling and ride quality for vehicles like the Cutlass, Grand Prix, Malibu, and Skylark.

• Variable rate coil springs with 0.61 inch (15.50 mm) wire diameter
• Black finish for corrosion resistance and durability
• Front and rear spring outside diameter: 6.75 inches
• Free height of 12.63 inches (320.80 mm) for proper suspension geometry
• Installation height of 8.00 inches (203.20 mm) for accurate fitment
• Load capacity of 810 lbs with a spring rate of 175 lbs per inch
• Pigtail end type for secure mounting

Technical Details and Specifications

The Moog CC501 coil spring set features a wire diameter of 0.61 inches (15.50 mm), providing the necessary strength and flexibility for suspension demands. Both front and rear springs share an outside diameter of 6.75 inches, ensuring uniform performance across the vehicle's suspension system. The springs have a free height of 12.63 inches (320.80 mm) and compress to an installation height of 8.00 inches (203.20 mm), maintaining proper ride height and suspension travel. The variable rate design allows the springs to adapt to different load conditions, improving ride comfort and handling stability. The pigtail end type ensures secure attachment to the suspension components.

Compatible Vehicles and Applications

This coil spring set is compatible with a range of classic and mid-era American vehicles, including:

• Buick Cutlass and Cutlass Supreme
• Chevrolet Malibu and Skylark
• Oldsmobile LeMans and Cutlass
• Pontiac Grand Prix and Tempest

Part number CC501 is specifically designed to meet the suspension requirements of these models, providing a direct replacement for worn or damaged coil springs.

Common Suspension Issues Addressed

• Sagging or uneven ride height due to worn springs
• Reduced handling performance and stability
• Excessive body roll during cornering
• Increased suspension noise or harshness
• Uneven tire wear caused by improper suspension geometry

Installation Notes and Tips

When installing the Moog CC501 coil spring set, ensure the vehicle is securely lifted and supported. Use appropriate spring compressors to safely remove and install the coil springs. Verify that the pigtail ends are properly seated in the suspension mounts to prevent movement or noise. It is recommended to inspect related suspension components such as shocks and bushings during installation for optimal performance.

Quality Assurance and Warranty

Moog coil springs are manufactured to meet or exceed OEM specifications, ensuring durability and consistent performance. While specific warranty details for part number CC501 are not provided, Moog products typically come with a limited warranty against defects in materials and workmanship. Refer to Moog's official documentation for complete warranty information.