It is from ProComp......it may be fine but even if it made 500 horsepower on a stock LS3 and you gave me one I would make a bong out if it.
More reading if you would like
http://www.yellowbullet.com/forum/sh...php?p=10458279
ProComp is the same "manufacturer" that was selling the spot on MSD ignition box clones......after some time spent in court you will notice ProComps boxes are blue now.