I have used both styles of the S&S pushrods, the quickees are just that, really quick to install, the other requires removal of the lifter covers but still better than removing the boxes if you chose to go the route of adjustables and I run those in my own bike.
553 bd cams
Power duals with re-core cvo
Soon to be back on the road
Being honest may not make you a lot of friends but it will always make you the right ones.