Air Springs Kits
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Air Bag Suspension Kits are engineered for specific vehicle makes and models. Listed below are the makes and models for our most popular kits.
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How does an Air Bag Suspension Kit compare to a Timbren Kit
The biggest different between an air bag suspension kit and a Timbren Kit is that the Timbren Kit does not use air. Air is used by air bag suspension kits to inflate/deflate the air bags, and adjust or 'tune' the vehicle ride height to the current load. A Timbren kit is not 'adjustable', and is commonly referred to as a 'fixed' load support system. There are many competing products in the fixed load support category, so a better question, actually, is Air or No Air?
Air Suspension Kit
- Price: Usually more expensive than a 'fixed' load support kit
- Adjustable: air pressure can be adjusted to inflate or deflate suspension air bags to desired ride height
- Side to Side leveling: can raise one side of the vehicle more than the other - might be important if you have a motorhome with a water tank on one side.
- Front to back leveling: can adjust the front air bags separate from the rear
- Time to Install: more difficult to install than a fixed load support system. Need to run air lines, and depending on options, may need to install dash panel gauges, and an on-board air compressor.
- Maintenance: although not common, air leaks in air lines, and holes in air bags can occur. Replacement air bags are readily available, and not difficult to install.
- Minimum Air Pressure: all air bag suspension systems require a minimum of 5-10 psi to be in the bags. Not maintaining pressure is a major cause of air spring failure.
- Products: Firestone Coil Rite, Firestone Sport Rite, Firestone Ride Rite, Air Lift 1000, Air Lift Ride Control, Air Lift Load Lifter 5000, Air Lift Load Lifter 5000 Ultimate, Hellwig Air Bag Kits, Hellwig Power Lift
Fixed Load Support (No Air)
- Price: usually a more economical solution than an air spring suspension
- Installation: Most kits can be installed in about an hour, and can be done with simple hand tools
- Adjustability: these suspension kits are progressive, and stiffen up when a load is placed on them, you cannot fine tune the ride height to the exact desired height as an air bag kit.
- Maintenance: no maintenance required - great for fleets
- Products: Firestone Work Rite, Air Lift Air Cell, Timbren Suspension Enhancement Kit, SumoSprings
If you would like more information, check out the article, "Air or No Air? Which suspension kit is better?"
How Much Air Should I add to my Air Bag Suspension?
Each manufacturer and product line will have a different requirement when it comes to maximum air pressure, but here is a brief guide of the most common air spring kits. Check out the article, Air Bag Air Pressure for more information.
- Air Lift 1000 kits – 35 to 100 lbs. maximum PSI (Varies with application)
- Firestone Coil-Rite Kits – 35 to 90 lbs. maximum PSI (Varies with application)
- Air Lift Ride Control kits – 100 lbs. maximum PSI
- Firestone Sport-Rite kits – 100 lbs. maximum PSI
- Air Lift LoadLifter 5000 kits – 100 lbs. maximum PSI
- Firestone Ride-Rite Kits – 100 lbs. maximum PSI
- Hellwig Air Bag Kits – 100 lbs. maximum PSI
Benefits of an Air Bag Suspension
- Stability & Safety: keep your vehicle level and eliminate sway
- Bottoming Out: the air cushion provided by the spring, softens and lessens the contact between the frame and the axle
- Ride Improvement: adjust the air pressure to compensate for the load
- Reduce Suspension Fatigue: keep leaf springs from sagging under constant load
- Headlight Aim: level and stable vehicles provide safe and proper headlight aiming