I'm a little out of place here, but I've been wrenching on Z cars since the late 70's (first car + no money = learn to fix car). My first Z had a hump in the floor board where some yahoo tried to jack up the car in the wrong place. I've also seen countless twisted pinch welds resulting from claw cup floor jacks on the pinch weld jacking location. I still have a 240 Z and a ramp style lift, but I got a set of these for brake and suspension work. They work great and, used in pairs, provide enough height to do lots more than I expected. The web site is only fair - but there's a thread on Rennlist (sorry) that shows it in a number of applications. I really like them for the track, too. Just FYI for anyone who ever jacks their Z - new or old.
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Jackpoint Jackstands ??? - Rennlist Discussion Forums