Ready Air FORD F150 15-UP LOAD LEV 88-21150

The ReadyAir / LOGIQ 88-21150 Load Leveling Air Spring Kit is engineered specifically for the 2015 and newer Ford F-150, delivering a factory-assembled rear air spring solution that keeps your truck level and stable whether you're hauling a heavy payload or towing a trailer. Built on the latest OE-style air spring technology, this leaf-spring-mounted kit is designed to bolt right onto your factory suspension with no drilling required — making it one of the most straightforward load-leveling upgrades available for the F-150 platform.

Key Features & Benefits

• 100% Factory Pre-Assembled: The kit arrives fully assembled and ready to install, cutting down shop time and reducing the chance of assembly errors on the lift.
• No-Drill Clamp-Around Bracket Design: Clamp-around brackets locate off the factory frame and leaf springs, meaning no cutting, welding, or drilling into your truck's frame — ideal for keeping your F-150 factory-warranty friendly and resale-clean.
• 3,200 lb Load Capacity @ 150 psi: With a maximum rated load capacity of 3,200 lbs at maximum pressure, this single-bag configuration adds meaningful rear support for towing, hauling gear, campers, or work equipment.
• Adjustable Air Pressure (5–150 psi): Dial in exactly the ride height and stiffness you need for any load situation — run minimum pressure when the bed is empty for a comfortable daily ride, and increase pressure when loaded up.
• Leaf-Spring-Mounted Outboard Frame Rails: The air springs mount outboard on the leaf springs, maximizing travel while still allowing your factory bump stops to do their job — no compromise to your suspension's designed range of motion.
• OE-Style Low-Frequency Air Spring Design: The LOGIQ air springs are tuned for smooth, low-frequency performance so ride quality doesn't suffer, even under tow or heavy load.
• Multiple Air Management Options: Choose from a basic Manual Inflation Kit with airline and Schrader valves, or upgrade at purchase to AirIQ SD1, SD2, or HD2 compressor-driven management systems for on-the-fly adjustments from the cab via app or remote.
• Limited Lifetime Warranty + ReadyGUARD Coverage: Every LOGIQ Air Spring Kit includes a Limited Lifetime Warranty on the air spring hardware, plus a complimentary ReadyGUARD 5-Year / 60,000-Mile Powertrain Warranty.

Specifications

• SKU / Part Number: 88-21150
• Brand: ReadyAir / LOGIQ (by ReadyLIFT)
• Air Spring Location: Leaf Spring Mounted, Outboard Frame Rails
• Air Spring Quantity: 2 (single-bag configuration — one per side)
• Load Capacity: 3,200 lbs @ 150 psi
• Maximum Pressure: 150 psi
• Minimum Pressure: 5 psi
• Price: $549.95

Fitment

This kit is designed to fit 2015 and newer Ford F-150 trucks equipped with factory leaf spring rear suspension.

Important Fitment Notes — Read Before Ordering:

• F-150 PowerBoost and any F-150 equipped with factory rear height sensors require the additional Height Sensor Relocating Kit (Part # 88-21150-1, sold separately, $79.95) for proper installation.
• Does NOT fit Ford F-150 Raptor or F-150 Lightning models.
• Not compatible with most aftermarket leaf springs — verify your rear suspension is factory-stock before ordering.
• Not compatible with most 5th Wheel Hitches — if you run a 5th wheel hitch, confirm compatibility before purchasing.

What's in the Box

• (1) Driver Side Air Spring Assembly
• (1) Passenger Side Air Spring Assembly
• (1) Hardware Kit
• (1) Manual Inflation Kit (Airline with Schrader Valves) — included with base kit configuration

Note: AirIQ compressor management systems (SD1, SD2, HD2) and the optional 2-Gallon Aluminum Boost Tank are available as upgrades at time of purchase.

Why Buy from ThreePiece.us

• Free Shipping on Every Order: Your ReadyAir 88-21150 ships free — no minimum, no surprises at checkout.
• Affirm Financing Available: Break your purchase into manageable monthly payments with Affirm financing, so you can get your F-150 hauling-ready now without waiting.
• Expert Fitment Support: Not sure whether your F-150 has factory rear height sensors, or which air management upgrade is right for your towing setup? Our team is here to help you get the right kit the first time.

Frequently Asked Questions

Q: Does this kit fit my 2021 F-150 PowerBoost?
A: Yes, but the F-150 PowerBoost (and any F-150 with factory rear height sensors) requires the additional Height Sensor Relocating Kit, Part # 88-21150-1, which is sold separately. Without it, the factory height sensor may not function correctly after installation. If you're unsure whether your truck has rear height sensors, contact us before ordering.

Q: Will this kit work with my aftermarket leaf springs?
A: The 88-21150 is not compatible with most aftermarket leaf springs. It is engineered to clamp around and locate off factory Ford F-150 leaf springs. If you've already upgraded to aftermarket leaves, this kit may not fit properly.

Q: Is any drilling or cutting required to install this kit?
A: No. The clamp-around bracket design and 100% pre-assembled air spring assemblies are designed for a no-drill installation. The kit locates off the factory frame and leaf springs for precise fitment without modifying your truck's structure.

Q: What air management options are available with this kit?
A: At the base price, the kit includes a Manual Inflation Kit with an airline and Schrader valves — you inflate the bags with a standard air source. At time of purchase, you can upgrade to the AirIQ SD1 (1-channel, single compressor), AirIQ SD2 (2-channel, SD compressor), or AirIQ HD2 (2-channel, heavy-duty compressor), all of which are controlled via the free AirIQ app. An optional 2-Gallon Aluminum Boost Tank is also available as an add-on.