Manufactured by Pac Brake | HP10402 | 2021-2024 F150 Alpha HD Rear Air Overload Kit, 2021-2024 F-150 (2WDˇ/ 4WD) INCLUDING POWER BOOST EXCLUDES RAPTOR & LIGHTNING ˇ2WD applications require use of 2" spacer 10152. Vehicles equipped with CCD (continuously controlled dampening) require additional passenger side rear height sensor relocation, Eliminate truck sag, sway and bottoming out with ALPHA HD air bags / air helper springs from Pacbrake, the only brand with inch-thick corrosion resistant end caps and 20 support wires for maximum strength and durability. Designed for durability and performance, the ALPHA HDTM Series offers a Better Built, Better Priced solution for heavy-duty applications Up to 5,000 lbs of load leveling capacity Perfect for DIY'ers, work trucks, construction trucks, landscapers, ambulances, ultility trucks and those towing or hauling boats, snowmobiles, ATV / UTV's and more KIT CONTENTS 2 air springs Corrosion resistant roll plates Precision laser cut powder coated steel brackets Grade 5 plated hardware All accessories required for the perfect bolt on install Comprehensive installation guide Product information updated on 2025-03-24. This product can ship by Courier