I have the Rancho 9 way adjustable shocks that Calvert recommends. They work pretty good.  As said before, the shock should not be used to set your ride height. That's what the leaf spring is for. If you need to adjust ride height with an air shock, then your leaf springs are either worn out or not correct for the application. CHIP
CHIP
'70 hemicuda, 575" Hemi, 727, Dana 60
'69 road runner, 440-6, 18 spline 4 speed, Dana 60
'71 Demon, 340, low gear 904, 8.75
'73 Chrysler New Yorker, 440, 727, 8.75
'90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt
'06 GMC 2500HD LBZ Duramax
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