Here's how I got them out. Take two flat blade screwdrivers, put them on opposite sides of the tabs and twist slowly. It should pop right out. If they do break, just replace them with whatever fits. As long as it secures the bracket tightly.
Steelheart- '03 Speedmaster Black/Yellow
The Hayabusa Killa
16" Shorties/140 mains/Airbox drilled
Procom CDI
"There is no cure for Celibacy. But we can treat the symptoms."