Air Over Leaf Suspension

The lower bracket uses the leaf spring hardware to bolt on.

Air over leaf suspension.

This is a bolt on set of air bag brackets with grade 8 hardware for the upper bracket. R4tech is a collaboration between sanluis rassini firestone and rancho to achieve a patented hybrid air over leaf suspension upgrade system. Air over leaf air bag brackets upper and lower set w hardware. The air spring is then inflated to restore load capacity ride height and spring rate.

This is a great universal set for truck or car with a flip kit and a side frame mounted leaf spring. They will eventually need some maintenance to fix any leaks. What is an r4tech suspension kit. Firestone s r4tech is a patented hybrid air over leaf suspension that provides the ride quality of a full air suspension the axle control of a leaf spring and the ease of installation of a standard leaf spring and ride rite kit.

Leaf spring suspension doesn t usually need much maintenance some retorquing of the leaves but air suspension can and it s more complex. This air spring in conjunction with some lower weight rated leaf springs will give your truck suspension the ability to achieve a smoother ride like heavy duty airide when unloaded while still keeping the load. Some companies report maintenance on air suspension to be three times the cost of leaf suspension over a 10 year period. Works for most all applications.

For tractors air ride suspensions became the standard many years ago on over the road applications while vocational vehicles often use leaf spring suspensions because of their greater durability.