granatelli lower control arms are junk!

[sn95gt19]

i bought granatelli rear lower control arms about a month ago, yesterday at us41 i was power shifting with the spray and the left control arm snapped, the rear end started WOBBLING horribly and i almost hit the wall going 100mph numerous times while trying to slow down. i was shifting into 3rd. i was just wondering if anyone had these control arms and if they have had any probs. with them. and if there is any way that i could get ahold of granatelli. (the control arm snapped at the rear tubular part where the rear bolt goes through the control arm, not on the weld though)