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 ...

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 ...

READING, Pa. — Northeast Spring, a Reading-based maker of custom springs, has been acquired by an Iowa company. Iowa Spring completed the transaction Sept. 15, according to a company statement ...