The Rancho Soft-Ride AAL kit is a good option:
http://www.4crawler.com/4x4/ForSale/Shackles.shtml#FAQ14

You want to avoid AALs with a single short, thick leaf, they can cause the existing leaves to kink and bend at the ends of the stiff AAL.

Or search the forum for the "Zuk Coil" spring.

Last edited by 4Crawler; 10/01/07 09:07 PM.