Cut two tabs from 1/8 by 1/2 inch steel bar. Drilled and taped 10-24 holes in each tab. MIG welded the tabs in position to mount the buss backboard. Mounted the buss backboard using two 1024 pan head screws. Connected the power and ground leads to each buss using a lock washer on each terminal. Mounted a cable clamp to hold the leads in place at the firewall.