4101 Firestone Industrial Helper Spring Kit Air Spring
4101 Firestone Industrial Helper Spring Kit Air Spring
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4101 Firestone Industrial Helper Spring Kit Air Spring
Transform your vehicle's performance with the 4101 Firestone Industrial Helper Spring Kit. This innovative Coil-Rite air helper spring system is designed to enhance your ride, handling, and braking capabilities, making it the perfect upgrade for cars, minivans, vans, light trucks, RVs, and SUVs.
Key Features:
- Improved Ride Quality: The adjustable Coil-Rite air helper springs provide extra support for your vehicle's coil springs, ensuring a smoother ride even under heavy loads.
- Enhanced Stability: Absorbs road shock, offering stability and comfort for passengers while reducing tire wear.
- Maintained Vehicle Level: Keeps your vehicle level, improving steering control and braking effectiveness, as well as leveling headlight beams.
- Protection Against Bottoming Out: The protective air cushion softens contact between the axle and frame, minimizing the risk of damage.
- Durable Construction: Made from high-quality, elastic polyurethane to withstand the rigors of coil-sprung suspensions.
- Easy Adjustment: Customize spring performance simply by adjusting the air pressure, just like inflating a tire. Supports loads from 500 to 1000 pounds per set.
- No Drill Installation: Comes complete with everything needed for a quick and easy installation, including brackets, air springs, hardware, air line, and separate valves for manual inflation.
Specifications:
- Load Capacity: 500 to 1000 pounds
- Material: Polyurethane
- Mounting Type: Inside coil spring
- Pressure Range: 5 to 35 PSI
- Includes Hardware: Yes
- Includes Air Line: Yes
- Includes Valve: Yes
Experience the remarkable difference that the Coil-Rite air helper springs can make in optimizing your vehicle's performance. With a limited lifetime warranty, you can trust in the quality and reliability of Firestone's innovative suspension solutions.
Shipping & Returns
Shipping & Returns
📦 Shipping:
Orders are processed within 1–2 business days. Standard delivery takes 3–7 business days, depending on your location.
↩️ Returns:
You may return or exchange products within 60 days of receiving your order. Items must be in original condition with proof of purchase. If your item is defective or damaged due to manufacturing issues, we’ll replace it at no additional cost.

