Founder Howard Levine said that in the 1970s, a client installed a seismograph on trailers to test whether air ride or leaf spring suspensions performed better on the Capital Beltway. There was a ...

But this isn't the case! In fact, you might not even need a new set of leaves, much less a new suspension setup. Chances are your existing leaf springs can be modified to work better with your ...

there are still numerous options for how to configure these packs of spring steel to perform under your vehicle. Most new leaf-sprung 4x4s come with their leaves on top of the axletubes ...