Originally Posted by topside
ESPO / Springs 'n Things makes a good product; I've used their springs on a couple of Mopars.
There's also the option of Hellwig EZ550 helper springs.

ESPO has them for $260 a pair! 4 week lead time, but that's alright. Thanks! beer

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