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Ships within 48 hours · Estimated delivery Aug 10 - Aug 15
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Description
Air Lift 57399 LoadLifter 5000 Helper Spring KitThe Air Lift 57399 LoadLifter 5000 Helper Spring Kit is specifically engineered for the rear of your Ford F 250 350 450 4WD Pickup while towing and hauling your heaviest loads with full time load support. These tough, durable air springs provide up to 5,000 pounds of leveling capacity and are fully adjustable to keep your vehicle riding stable, level and comfortable whether loaded or unloaded. Air Lift adjustable air springs work with your existing
The Air Lift 57399 LoadLifter 5000 Helper Spring Kit is specifically engineered for the rear of your Ford F-250/350/450 4WD Pickup while towing and hauling your heaviest loads with full-time load support. These tough, durable air springs provide up to 5,000 pounds of leveling capacity and are fully adjustable to keep your vehicle riding stable, level and comfortable whether loaded or unloaded.Air Lift adjustable air springs work with your existing suspension to give your vehicle more leveling support when you need it, so your vehicle is always level and stable. Proper weight distribution to all tires means more safety and a more comfortable ride as well. This results in:
- Less sway: Air springs increase spring rate and vastly improve vehicle stability.
- Headlight aim: Only level and stable vehicles provide safe and proper headlight aiming.
- More even tire wear: when weight is evenly distributed to all four tires, tires wear more evenly.
- heavy trailers. Adjustable air springs dramatically reduce this problem for a safer, more comfortable ride.
- Less bottoming out: Air springs provide adjustable load support to help prevent bottoming out on rough roads.
- Less proposing: Even heavy pickups which don't squat when loaded can begin to porpoise vertically when towing
- Improved braking and steering: when all four tires are firmly on the ground, braking time and steering are both improved.
Features:
- Up To 5,000lbs Of Leveling Capacity
- Air Adjustable From 5 To 100 PSI
- Includes Roll Plates To Protect The Air Springs
- Quick Connecting, Easy-To-Use Air Fittings
- Built Like A Tire & Reinforced w/ 2-Ply Fabric For Maximum Strength
WARRANTY INFO:
Lifetime
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.6 ★★★★★
Based on 10 reviews
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Product Reviews
★★★★★ 5
Warm
Color: Dark Grey, Size: 34W x 30L
Don’t hold a crease very well but fit nicely and expandable waist is nice and warm
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Reviewed in the United States on January 25, 2026
★★★★★ 5
Toasty and comfortable
Color: Dark Grey, Size: 36W x 32L
These pants keep the wind out so that are perfect for the cold windy days on the course
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Reviewed in the United States on February 19, 2026
★★★★★ 5
Quality product
Quality product that priced well below the big name brand retailers. Ideal for cold damp days on the golf course
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Reviewed in the United States on February 22, 2026
★★★★★ 5
Perfect polo shirt
I love these shirts for the way they feel on my sensitive skin. The color adds a bit of interest which has been commented
I like these shirts very much and have bought one of almost every color, mostly short sleeved, but some long. They suit my sensitive skin which I've acquired in old age. Probably the only thing I wear which has ever been commented on.
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Reviewed in the United States on December 28, 2025
★★★★★ 5
Excellent
Excellent Polo Shirt
In the past weeks I bought one for my dad and my mom was in love with the fabric, soft and easy to wash. After that we got almost all the colors that they have.
I highly recommended it.
Thanks
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Reviewed in the United States on November 2, 2025