Egag has pulley spacers that can be ordered with a 2.25" female register (to mate up to a sb Mopar harmonic ballancer) and a 2" male register on the other side. Simply stack combinations of spacers, V pullies, and serpentine pulley....These already have the same 6 on 2.76" bolt pattern as the balancer has.
How much boost are you running now? With your current setup.
