AFCO sells a shock mount crossbar kit PN 20147-2 which includes a 1.060" OD x 5/8" ID bearing, crossbar and C-Clips for $30ea which will work with DSE shocks. DSE shocks use an industry standard 1.060" OD mount bearing so you just press the old bearing out and press the new bearing in.
http://www.summitracing.com/parts/afc-20147-2