Moog 6321 Coil Spring Set - Rear

Overview of Moog 6321 Coil Spring Set

The Moog 6321 Coil Spring Set is engineered to restore suspension performance for select Buick, Chevrolet, Oldsmobile, and Pontiac vehicles. Designed with precise dimensions and durable materials, this coil spring set supports reliable handling and ride quality for models like the Cutlass, El Camino, and Monte Carlo.

• Wire diameter options: 0.53 inches and 13.50 mm for strength and flexibility
• Spring color: black for corrosion resistance and durability
• Front and rear spring outside diameter: 6.640 inches
• Front and rear spring relaxed length: 14.29 inches (363.00 mm)
• Front and rear spring compressed length: 8.50 inches (215.90 mm)

Technical Specifications and Design Details

The Moog 6321 coil spring set features a wire diameter of 0.53 inches (13.50 mm), providing a balance between stiffness and comfort. Both front and rear springs share an outside diameter of 6.640 inches, ensuring consistent suspension geometry. The relaxed length of 14.29 inches (363.00 mm) and compressed length of 8.50 inches (215.90 mm) allow for optimal suspension travel and load handling. The black finish enhances corrosion resistance, extending the lifespan of the springs under various driving conditions.

Compatible Vehicles and Applications

This coil spring set is compatible with a range of classic and performance vehicles, including:

• Buick Cutlass and Cutlass Supreme
• Chevrolet El Camino and Monte Carlo
• Oldsmobile Cutlass
• Pontiac Grand Prix and Skylark

Part number 6321 is specifically designed to meet the suspension requirements of these models, ensuring proper fitment and performance.

Common Suspension Issues Addressed

• Sagging or worn-out coil springs causing uneven ride height
• Reduced handling stability due to weakened spring tension
• Excessive body roll during cornering
• Increased suspension noise or harshness
• Uneven tire wear related to suspension imbalance

Installation Notes and Tips

When installing the Moog 6321 coil spring set, ensure the vehicle is securely lifted and supported. It is recommended to replace springs in pairs (front or rear) to maintain balanced suspension performance. Verify spring orientation and seating to prevent premature wear or noise. Professional installation is advised for safety and optimal results.

Quality Assurance and Warranty

Moog coil springs are manufactured to meet or exceed OEM specifications, providing reliable durability and consistent performance. While specific warranty details for part number 6321 are not provided, Moog products typically come with a limited warranty against defects in materials and workmanship. Consult product documentation or Moog directly for warranty confirmation.