• Set of secondary leaf springs designed to work with OEM leaf springs and support extra loads
• Recommended for heavy hauling, work truck use, or pulling a 5th-wheel RV trailer
• Also stabilizes the helper spring in reverse or rebound mode
• Unique design provides enhanced load and sway control in one spring
• Crafted from heat-treated ASTM 5160 alloy spring steel for maximum strength and resilience
• 2-leaf design provides support at the point when OEM leaf springs become loaded and compressed
• Adds up to 2,500 pounds of load support and leveling capacity to the rear of your vehicle
• Progressive spring rate is designed never to need adjustment
• Prevents leaf spring from sagging due to sustained load compression
• Maintains proper rear ride height
  Progressive Rate Design is Fully Adjustable
• Design can handle the load 24/7
• Helps reduce bouncing at the rear of vehicle when towing
• Fitted U-bolts and related hardware are included for mounting (drilling may be required)
• Manufactured in the United States

Time is of the essence. Please call us to verify that this product is in stock.

Fitment Notes

• Silent Ride Bushings are not included and sold separetely due to vehicle-specific circumstances and clearance issues
• Will not fit Heritage Edition for 2004-2008
• 04-08 Ford F150 2WD: For air bags on lifted vehicles using a non-tapered lift block, use P/N 4822 spacer for a 2" rear lift and P/N 4824 spacer for a 4" rear lift
• 2015-2019 Ford F-150 2WD/4WD: For air bags on lifted vehicles using a non-tapered lift block, use P/N 4822 spacer for a 2" rear lift and P/N 4824 spacer for a 4" rear lift

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