Some tips and tricks on how to box the frame and build a custom suspension at home for your vintage 4x4. Longtime readers of Jp magazine might actually remember this 1948 Willys pickup I built back in ...

Compression, locking, tension, and stainless-steel versions can be manufactured to custom specifications. Materials include anodized aluminum, steel, and 316L stainless steel. The maintenance-free ...

Spring are mechanical devices that store and apply kinetic energy. They’ve been around a long time and continue to play essential roles in a wide range of machines, vehicles, and engineering tools.

Leaf springs are pretty common on custom 4x4s, even though coil and coilover combinations are becoming quite popular. Coils and coilovers can be tempting, but don't sell the old-fashioned leaf-spring ...