Today a lot of street-legal vehicles and off-road rigs run modern coil spring suspensions. Coil springs in their various formats have a number of advantages over traditional leaf springs and torsion ...

Leveling kits are a cost-effective way to fit larger-than-stock tires, particularly on large-wheelwelled vehicles, like the Dodge Ram. Spring-spacer kits are an easy, at-home way to increase clearance ...

"Coil bind" occurs when a spring's coils stack solid at or before full camshaft lift. This develops an infinite load on the valvetrain, causing its weakest link to fail. If you're lucky, the result is ...