The Holley front drive set-up has another change from the other set-ups.... The normal set-ups have a single belt driving the supercharger and all other accessories are driver off a smaller belt..... For some reason Holley added the power steering pump into the supercharger drive belt...... To do this and eliminate pressure from the stress put on accys they added an additional casting with three bearings in it that the pump screws into....all the belt wrap pressure is absorbed by those bearings..... The big problem is that part of the front drive sticks out 2.5" from the rest of the unit....Humm!!!.....On most applications there would be enough room and this wouldn't matter......But.....
