3RD GEN HEMI FOR BRACKET RACING

We did a 5.7 block, 4.050 stroke, 12.75:1 on E85, oem rocker and lifters, Ritter intake, custom IMM cam (only .610 lift) and very mildly ported 6.4 apache heads and made 695HP on our dyno. Easy....
What electronics do you run for these on the dyno?