Originally Posted By ozymaxwedge
These ??

https://www.ebay.com.au/itm/CALVERT-RACING-CR22142-REAR-DRAG-RACING-SHOCKS-9-WAY-ADJUSTABLE-SUIT-CHRYSLER/142759347689?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2060353.m1438.l2649

I gave up on those a couple of years ago . I know some still use them at higher hp levels , once i hit 10s they lost control of extension . They are now on the shelf .
Like others , i have gone Viking DA . I ordered the radial valved units . Very happy .

Tex

New best ET 10.259@129.65 .
New best MPH 130.32
Finally fitted a solid cam,
stepped it up a bit more
3690lbs through the mufflers
New World block 3780lbs 10.278@130.80 . Wowser 10.253@130.24 footbraking from 1500rpm
Power by Tex's Automotive