Helper springs are engineered to enhance and support the OEM suspension. They are most commonly available in two variants: steel springs and pneumatic springs. Helper springs serve several functions, ...

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.

Automotive design has come a long way since Karl Benz designed the Patent Motorwagen in the late 1800s, and Henry Ford brought the T-4 powered Model T to the masses in 1908. Those early cars were ...

We constantly scour the internet in search of the newest and coolest parts for your trucks. This week, we're taking a look at two products that are near and dear to our hearts, and we think you'll ...

BrightDrop electric delivery vans (above) as well as Chevrolet Silverado/GMC Sierra pickups from General Motors Co. feature North America’s first composite tension leaf springs (TLS) with progressive ...

Rassini has developed and manufactures the hybrid rear suspension, which consists of a parabolic main steel leaf supported by a composite helper, at its Piedras Negras (Coahuila Mexico) location. With ...

When it comes to upgrading the rear suspension on a classic truck, there are number of options to be had, ranging from the mild (new springs and shocks) to the wild (independent rear suspension).

It is said that the leaf-spring suspension is the oldest suspension used for automobiles. The leaf-spring system was used more recently in '70s production cars, some of which are still in service ...

Pneumatic suspension, more commonly called air suspension, has been around since its first patented design the early 1900s. There are many questions about its existence and how it relates to towing.