21G4SC MAXPEEDINGRODS Air Spring Bag Leveling Rear Bed Kit

Review MAXPEEDINGRODS Air Spring Bag Leveling Kit Rear Fit Gmc Short Bed for GMC SIERRA 1500 2007–2018

The Maximum Motorsports 21G4SC Air Spring Bag Leveling Kit is a superior solution for leveling the rear end of your 2007-2018 GMC Sierra 1500 with a 5-foot 8-inch or 6-foot 6-inch bed. This kit utilizes high-quality air spring bags that are designed to replace the factory leaf springs, providing a smoother and more comfortable ride.

Each air spring bag is crafted from heavy-duty rubber material, ensuring durability and longevity. The bags are filled with nitrogen gas, which helps maintain a consistent ride height and improves load support. The air springs can be adjusted using an onboard air system or a compressor, allowing you to fine-tune the ride height based on the weight of your cargo.

This leveling kit comes with four (4) air spring bags, two (2) rear brackets, two (2) front brackets, and all necessary hardware for installation. The brackets are made of steel and are powder-coated for protection against the elements. The kit also includes a detailed installation guide to help ensure a hassle-free installation process.

By installing the Maximum Motorsports 21G4SC Air Spring Bag Leveling Kit, you will experience improved ride quality, enhanced towing capability, and better stability. It is suitable for both daily driving and heavy-duty towing applications, making it an excellent investment for any GMC Sierra 1500 owner.

Additionally, this leveling kit allows for a level ride height, eliminating the need for unsightly and heavy leveling blocks. The leveled ride height not only looks better but also reduces tire wear and improves handling. Overall, the Maximum Motorsports 21G4SC Air Spring Bag Leveling Kit is an essential upgrade for any GMC Sierra 1500 owner seeking a more comfortable and capable vehicle.

Maximum Motorsports 21g4sc Air Spring Bag Leveling Kit for the rear of a 2007-2018 GMC Sierra 1500 bed truck is a suspension upgrade that can provide several benefits for your vehicle, along with some potential drawbacks. Let's examine each in detail.

1. Improved Ride Comfort: Air springs offer a more comfortable ride than traditional steel springs. They can absorb road imperfections better, reducing the jouncing and harshness felt in the cabin.

2. Level Loads: The leveling kit helps maintain a level ride height, especially when towing heavy loads or carrying a heavy bed. This can improve handling and stability, reducing the risk of swaying or bottoming out.

3. Adjustability: The air springs can be adjusted to fine-tune the ride height and load leveling, allowing for optimal performance in different driving conditions.

1. Complexity: Air suspension systems are more complex than traditional steel spring setups. Installation can be more time-consuming and may require more frequent maintenance.

2. Cost: Air suspension kits can be more expensive than traditional steel spring kits. The cost includes the kit itself, as well as any necessary compressors, wiring, and installation tools.

3. Potential Leaks: Air springs can develop leaks over time, which can lead to a loss of air pressure and a decrease in ride comfort. Regular inspections and maintenance are necessary to prevent leaks.

4. Noise: Air springs can make more noise than traditional steel springs, especially when compressing or decompressing. This noise can be more noticeable when towing heavy loads or traveling at high speeds.

The Maximum Motorsports 21g4sc Air Spring Bag Leveling Kit for the rear of a 2007-2018 GMC Sierra 1500 bed truck offers several benefits, including improved ride comfort, level loads, and adjustability. However, it also comes with some potential drawbacks, such as complexity, cost, potential leaks, and increased noise.

If you frequently tow heavy loads, carry heavy bed items, or simply desire a more comfortable ride, the benefits of this kit may outweigh the drawbacks for you. On the other hand, if you're looking for a simple and cost-effective suspension upgrade, a traditional steel spring kit may be a better choice. Ultimately, the decision depends on your personal preferences, driving habits, and budget.

If you decide that the Maximum Motorsports 21g4sc Air Spring Bag Leveling Kit is the right choice for your 2007-2018 GMC Sierra 1500 bed truck, be sure to have it installed by a professional to ensure proper setup and configuration. Regular maintenance, including inspections for leaks and air pressure checks, is also crucial to maximize the life and performance of the kit.

Details:

Maxpeedingrods air suspension bags kit: fitment: for Chevrolet silverado 1500 4wd/RWD 2007 -2018. For Chevrolet silverado 1500 LED old body 2019. For Gmc Sierra 1500 4wd/RWD 2007 -2018. Row air spring bag leveling kit rear fit Gmc Sierra 1500 short bed 2007 -18.

One year unlimited mileage quality guarantee. Our representatives will provide you with detailed instructions on how to proceed. Features: restore the original ride height and improve quality. Trusted by champions: .

Maxpeedingrods air suspension bags kit solves these common problems. Not fit for vehicles equipped with mange ride. Includes all brackets hardware needed to install. Boxes, APO/FPO addresses, or military mail boxes.

specifications liftkitsparts:

• for models: 1500, Sierra
• for makes: Gmc
• for years: 2007–2018
• brand: Maxpeedingrods
• mpn: 21g4sc
• part type: Spring Bag Bed
• bundle listing: Yes
• california prop 65 warning: California Prop 65 Warning
• fitment: For Silverado 1500/for Sierra 1500 Short Bed 2007-16
• fit beds: 6 6 5 9
• fitment type: Performance/custom
• important notice: Package Included, Professional Installation Required
• included hardware: Mounting Hardware
• load capacity: 5000 Lbs Up
• note: No Instruction Included
• notice: This Is Aftermarket Replcement Part
• placement on vehicle: Left, Right, Rear

shipping liftkitsparts:

• type: fixed
• carrier: ups
• transit: 3-7 days
• service: ups ground
• class: standard

general liftkitsparts:

• category: Auto Parts > Chassis, Suspension Brakes > Lift Kits

seller liftkitsparts:

• rating: 99.0%
• # reviews: 21153
• city: dayton, new jersey

offer liftkitsparts:

• availability: in stock
• options: ship-to-home
• best offers: true
• prices: $175.89–$217.89
• item condition: New
• sold #: 13
• in stock #: 4
• started: september 17, 2025

payments liftkitsparts:

• other
• wallet: paypal
• credit card: diners-club

returns liftkitsparts:

• time: 30 days
• paid by: seller
• policy: returns accepted