KYB 554355 Shock Absorber - Rear

Overview of KYB Gas-a-just Suspension Shock Absorber

The KYB Gas-a-just 554355 suspension shock absorber is engineered for Ford Mustang models, providing reliable damping performance. Designed to restore original handling and ride quality, this shock absorber features precise dimensions and mounting types tailored for a direct fit.

• Compressed Length: 12.79 inches
• Extended Length: 20.03 inches
• Stroke Length: 7.24 inches
• Lower Mount Type: E2 (12x55)
• Upper Mount Type: S1 (12mm)
• Includes Dust Cover for protection
• R-stop included for rebound control
• No internal rebound spring or B-stop

About the KYB Gas-a-just Product Line

The Gas-a-just line by KYB is designed to provide consistent gas-charged shock absorbers that maintain vehicle stability and control. This product line focuses on delivering a balance between comfort and performance, making it suitable for daily driving conditions. The 554355 shock absorber fits within this line, offering a gas-charged design that helps reduce fade and improve response on Ford Mustang vehicles.

Technical Details and Compatibility

This KYB Gas-a-just shock absorber (part number 554355) is specifically compatible with Ford Mustang models. Its compressed length of 12.79 inches and extended length of 20.03 inches ensure proper fitment and suspension travel. The stroke length of 7.24 inches allows for effective damping through suspension movement. The lower mount type E2 (12x55) and upper mount type S1 (12mm) provide secure attachment points, while the included dust cover protects internal components from debris and wear. The presence of an R-stop enhances rebound control, although it does not include an internal rebound spring or B-stop.

Common Applications and Problem Solving

• Restores original ride comfort and handling on Ford Mustang vehicles
• Reduces excessive bouncing and body roll during cornering
• Improves suspension response after wear or damage to original shocks
• Prevents premature tire wear caused by poor damping
• Protects suspension components with included dust cover

Installation Notes and Tips

When installing the KYB Gas-a-just 554355 shock absorber, ensure the vehicle is securely lifted and supported. Verify the lower mount type E2 (12x55) and upper mount type S1 (12mm) match the vehicle’s mounting points. It is recommended to replace shocks in pairs to maintain balanced suspension performance. Inspect mounting hardware and replace if worn or damaged. The included dust cover should be positioned correctly to protect the shock absorber shaft from dirt and debris.

Quality Assurance and Warranty

KYB manufactures the Gas-a-just 554355 shock absorber to meet strict quality standards for durability and performance. This part is designed to provide consistent damping characteristics over its service life. Warranty coverage details should be confirmed with the distributor or manufacturer, as they may vary by region.