This Pacbrake Alpha HD Pro Rear Air Suspension Kit (HP10181 - J) is designed for 2005 - 2010 Ford F - 250/F - 350 Superduty 4WD trucks with 6.0L or 6.4L Powerstroke engines. It fits all trucks, including those with 5th wheel hitches, but not commercial cab and chassis trucks. It works for both gas and diesel applications. Say goodbye to truck sag, sway, and bottoming - out problems! These air bags come with 1 - inch thick corrosion - resistant end caps and 20 support wires, offering ultimate strength and durability. The kit features a bouncy polyurethane bumper in the bag to prevent bottom - out damages. You can choose to buy it with or without an in - bag bump stop. The bump stop provides peace of mind, acting as an 'insurance policy' against bottoming out due to rare air bag pressure loss. You can also run the air bags at 0 psi when unloaded for a more comfortable ride. For those who need maximum air bag travel, like for hitching trailers or off - roading, the HP10181 ALPHA HD air bag without a bump stop is recommended. Features: - 5,000 lbs of load - leveling capacity - 4 - hour install time - Lifetime warranty - Can be run at 0 psi Installation: Click Here. Note: Never exceed the manufacturer's recommended Gross Vehicle Weight Rating.

Using this Pacbrake air suspension kit is easy. First, make sure your truck is one of the compatible models: 2005 - 2010 Ford F - 250/F - 350 Superduty 4WD with 6.0L or 6.4L Powerstroke engines. It's suitable for both gas and diesel trucks, but not for commercial cab and chassis ones. When installing, it should take about 4 hours. Just follow the instructions and click the provided installation link if you need more guidance. You have the option to use it with or without the in - bag bump stop. If you want extra protection against bottoming out, go for the kit with the bump stop. It acts like an insurance policy. And when your truck is unloaded, you can run the air bags at 0 psi for a really comfortable ride. If you need maximum travel for hitching trailers or going off - road, choose the air bag without the bump stop. Remember, never exceed the manufacturer's recommended Gross Vehicle Weight Rating. This helps keep your truck and the suspension kit in good shape. For maintenance, check the air bags regularly for any signs of wear or damage, like corrosion on the end caps. If you notice anything wrong, it's best to get it checked out right away.