So I was replacing my cp3 pump and noticed that pulley has cracked in 4 different spots, it's a ATS pulley, thought this was pretty odd.
03 2500hd lb7, ccsb 4x4, built engine, fingers oval pistons, carrillos,3388af cam, s366, 60% injectors, twin fuelers, 4in straight piped, Big Dipper trans with Percision TC, Idaho rob tunes.