Description: These Kryptonite dual - rate leveling coil springs (KRFC25) are a great addition for your 2005 - 2024 Ford F - Series 4x4 with 6.0L, 6.4L, or 6.7L Powerstroke engines. Kryptonite is well - known for making top - quality ball joints, hubs, and more, and now their springs are here! These springs offer 2.5' of lift, giving your truck a level stance. They're multi - rate, which means they provide strength when fully loaded and comfort during normal rides. With a powder - coated black finish, they look great and are shot - peened for durability. They have improved strength and rigidity compared to OEM parts and are a direct - fit install. Made in the USA, they come with a no - fine - print lifetime warranty (excluding Heim Joints). Remember, you must buy from an authorized dealer and register the warranty within 90 days of purchase.

Using these springs is quite straightforward. First, make sure your truck is on a flat and stable surface. You'll need basic tools to remove the old springs and install the new Kryptonite ones. They are designed for a direct - fit install, so you don't have to worry about complex modifications. When driving, enjoy the improved comfort during normal rides and the extra strength when your truck is fully loaded. As for maintenance, regularly check the springs for any signs of damage or wear. Keep them clean from dirt and debris to maintain the powder - coated finish. If you notice any issues, don't hesitate to contact the authorized dealer, as they are covered by a no - fine - print lifetime warranty (as long as you've registered it within 90 days of purchase and it's not a Heim Joint). Just remember, always drive safely and within your vehicle's limits even with these upgraded springs.