This is a link to Kelderman, which builds 4-corner air suspensions for trucks that don't have them. That includes adding a 4-link rear suspension like the Ram 1500s. It can cost $10+k to modify an F-250.
It is a $1500 OE option on the Ram 1500 and only on the Ram 1500.
kelderman.com
It is a $1500 OE option on the Ram 1500 and only on the Ram 1500.

Lift Kits, Truck Accessories & Ag Equipment | Kelderman
Kelderman Manufacturing is a producer of aftermarket air suspension systems for ¾ ton and larger trucks. Learn more about our innovative range of products here!
