We take a close look at how National Spring both builds and rebuilds long travel leaf off road spring packs, only in Off-Road Magazine!

When it comes to a vehicle's suspension, most modern cars offer shocks and coil springs, though older vehicles used to employ leaf springs for road comfort.

With modern technology, you would expect antiquated gear to be a thing of the past. However, even in 2025, some trucks can be found with old leaf springs.

Multi-material steel/composite leaf spring targets lightweight, high-volume applications Rassini International was challenged by Ford Motor Co. to take weight out of the F-150 pickup truck. Rassini ...

Airbags and overload/helper springs will get the job done, but both have their pluses and minuses.