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.

One of the primary topics of conversation within the pages of Four Wheeler, as well out on the Internet and amongst wheeling enthusiasts, is suspension. Suspension is one of the most important aspects ...

If drum brakes and flat-tappet camshafts are old-school technology, then springs are quite literally ancient. In some respects the wooden bows and catapults used by medieval knights to bludgeon their ...