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 ...

• Stock springs are generally intended for prototyping, and their use in production can compromise designs. • Experts recommend discussing specific design requirements with a spring manufacturer. 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 ...