Rassini’s 1+C Hybrid leaf spring features a single steel parabolic main plate and a flat glass fiber composite helper plate to provide suspension on the rear wheels of the Ford F-150 pickup truck.

If you've ever attended an air show, you know it's always a great time, and if the air show includes WWII American fighter planes, the show is even better. It's a thing of beauty to watch P-51 ...

We've touted the benefits of leaf spring suspensions before. Fact is they follow the KISS rule of engineering pretty well (Keep It Simple, Stupid). The KISS rule helps you and your 4x4 rig slide under ...

Composite leaf springs are not new to the automotive industry. In fact, the leaf spring itself dates back to the horse-drawn carriage. By design, leaf springs absorb vertical vibrations caused by ...

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 ...