Hey Mike,
I'll go ahead and list out the highest-rated front and rear SumoSprings for your 2006 Workhorse W22 chassis (which fit so long as it is 2-wheel drive):
- Rear: SumoSprings Maxim Custom Helper Springs - 7,000 lbs # SSR-280-54-1
- Front: SumoSprings Solo Custom Helper Springs - 1,500 lbs # SSF-280-47
You made a smart choice going with SumoSprings because they do a superb job of stabilizing your rig if it starts to rock from heavy winds, or when taking a tight turn. So they'll... view full answer...