Been using Ice Ignition products for 10+ years now and never an issue with it. They only have 7amp and 10amp boxes. I use the 7amp with the coil voltage booster, which boosts the coil voltage to 16+ volts. I think they make a good quality product. It ought to be good for what it costs. 
CHIP
'70 hemicuda, 575" Hemi, 727, Dana 60
'69 road runner, 440-6, 18 spline 4 speed, Dana 60
'71 Demon, 340, low gear 904, 8.75
'73 Chrysler New Yorker, 440, 727, 8.75
'90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt
'06 GMC 2500HD LBZ Duramax
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