Moog 81120 Coil Spring Set - Front

Moog Coil Spring Set for Ford F-150 and Lincoln Mark LT

The Moog 81120 coil spring set is engineered to restore suspension performance for Ford F-150 and Lincoln Mark LT trucks. Designed with precise dimensions and durable materials, these coil springs help maintain proper ride height and handling characteristics.

• Wire diameter options: 0.81 inches and 20.62 mm for strength and flexibility
• Black spring color for corrosion resistance and durability
• Front and rear spring outside diameter: 5.300 inches
• Front and rear spring relaxed length: 15.92 inches (404.29 mm)
• Front and rear spring compressed length: 9.57 inches

Detailed Coil Spring Specifications

The Moog 81120 coil spring set features a wire diameter of 0.81 inches (20.62 mm), providing a balance between stiffness and ride comfort. Both front and rear springs share an outside diameter of 5.300 inches, ensuring consistent suspension geometry. The relaxed length of 15.92 inches (404.29 mm) and compressed length of 9.57 inches allow for optimal suspension travel and load support. The black finish enhances corrosion resistance, extending the service life of the springs under various driving conditions.

Compatible Vehicles and Applications

This coil spring set is compatible with Ford F-150 and Lincoln Mark LT models, making it suitable for owners seeking to replace worn or sagging springs. The Moog 81120 springs help address common suspension issues such as:

• Uneven or lowered ride height
• Reduced handling stability
• Excessive body roll during cornering
• Increased suspension noise or harshness
• Premature tire wear due to suspension misalignment

Installation Notes and Tips

When installing the Moog 81120 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 noise and premature wear. After installation, a professional wheel alignment is advised to optimize handling and tire life.

Quality Assurance and Warranty

Moog coil springs are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. While specific warranty details for part number 81120 are not provided, Moog products typically come with a limited warranty against defects in materials and workmanship. Consult Moog or authorized distributors for exact warranty terms.