Has anyone tried this set from Heiden Tuning ?
http://www.heidentuning.com/p/28/3821/mo74-cg|23=1/%2314-81620-xs-performance-ignition-new-heiden-tuning-design
I like the simple build. And I dont mind keeping the old advance unit :)
Mine is a '71 XS1, originated from state of new jersie.