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Boss Air Suspension

Boss Airbag 2520 Bare

Boss Airbag 2520 Bare

SKU:BAG-2520#

Regular price $135.00 AUD
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#2520 BOSS airbag 2500lb or 1080kg capacity @ 100psi Government approved Tested to over 600psi Suitable for replacing worn out airbags in Load Assist kits etc

Bag only with rings to mount to our Load Assist Kits etc.

  • Fully Compressed - 65mm with 6mm ends fitted
  • Max Diameter- 140mm (widest when fully compressed)
  • Nominal ride height - 110mm
  • Max height - 170mm (185mm with 6mm end plates fitted)
  • Max working pressure 0-160psi
  • Test pressure - 480psi
  • Burst pressure - 600psi
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Frequently asked questions

What is the difference between 2400, 2500 and 2600 series Boss airbags?

The 2400, 2500 and 2600 series are all double-bellow Boss airbags in different diameters and load capacities. 2400 bags are smaller in diameter, 2500 are the most common mid-size bag used in many Load Assist kits, and 2600 bags are larger and suit heavier-duty applications where there is more space available around the axle and chassis.

When should I use a triple-bellow airbag like a 2503 or 2603?

Triple-bellow airbags such as the 2503 and 2603 are used where you need more travel or a taller free height, typically on vehicles with more than 2 inches of lift or long-travel suspension. They allow the suspension to sit higher at a given pressure while still providing the correct load support.

Can I mix and match different airbag series in my existing kit?

No, airbags are generally only interchangeable within the same series. For example, a 2500 double-bellow bag can often be swapped for a 2503 triple-bellow bag in a kit designed for that series, but you cannot simply fit a 2600 or 2400 into 2500 brackets. The bracket diameter, bolt pattern and clearances are all designed around a specific series.

What pressures are Boss airbags designed to handle?

Boss airbags typically have a recommended working range of around 5–160 psi, with a recommended test pressure of about three times the maximum working pressure and burst testing well above that. Always refer to the specific bag’s data and never exceed the recommended working pressure in normal use.

How should I mount and protect a replacement airbag?

Replacement airbags must be installed on the correct brackets with the correct beadlock rings or hardware as designed for that kit. Ensure there is adequate clearance from tyres, exhausts, sharp edges and moving suspension parts, and maintain minimum pressure so the bag does not fold or pinch under full compression or articulation.

What is the maximum lift height of the Boss Airbag 2520?

The Boss Airbag 2520 has a maximum height of 170mm, or 185mm with 6mm end plates fitted. This allows for effective lift while maintaining stability in your Load Assist setup.

What is the recommended working pressure for the Boss Airbag 2520?

The maximum working pressure for the Boss Airbag 2520 is 160psi. It is crucial to operate within this range to ensure optimal performance and longevity of the airbag.

What are the typical applications for the Boss Airbag 2520?

The Boss Airbag 2520 is ideal for use in Load Assist kits, providing additional support for towing and carrying heavy loads. It helps to level the vehicle and improve stability during operation.

How does the Boss Airbag 2520 compare to other airbag options?

The Boss Airbag 2520 features a robust design with a tested burst pressure of 600psi, significantly higher than many competitors. Its beadlock-style clamping ring ensures a secure fit, preventing separation under load.

What is the nominal ride height for the Boss Airbag 2520?

The nominal ride height for the Boss Airbag 2520 is 110mm. This height is optimal for maintaining vehicle stability and performance when loaded.

Is the Boss Airbag 2520 suitable for heavy-duty applications?

Yes, the Boss Airbag 2520 is rated for a capacity of 2500lb (1080kg) at 100psi, making it suitable for heavy-duty applications where additional support is required for load management.