Features

• Secondary leaf springs take weight off overly compressed OEM leaf springs
• Restore proper ride height, comfort and stability to the rear of your full-size truck or van
• Medium duty helper springs are recommended for occasional towing needs such as boats or small trailers
• Crafted from heat-treated ASTM 5160 alloy spring steel for maximum strength and resilience
• 3-leaf design provides support when OEM leaf springs become loaded and compressed
• Progressive spring rate is fully adjustable
• Prevents leaf spring from sagging due to sustained load compression
• Helps reduce bouncing at the rear of vehicle if towing
• Reduces leaf spring wrap up, bottoming out, and loss of cornering traction
• Fitted U-bolts and related hardware are included for mounting
• Drilling may be required for installation
• Manufactured in the United States