Leaf springs are one of the oldest forms of suspension. For hundreds of years, leaf springs have been used on automobiles, carriages, trailers, and so much more—and they’re still in use today. On the ...

Leaf springs live a hard life under your 4x4. They are constantly blasted by sand, covered in mud, splashed with water, and dragged across rocks. Every time the suspension flexes or hits a bump, each ...