james, per your pm, i just got a call back from the shop that did the work. the kit they used is the ac/delco part # 45k18036....it takes 2 per vehicle.
you should be able to order them from that link i sent you. if not, try a place call full service auto parts here in san antonio...pm me if you need more help with that
full service auto parts san antonio
210 822 9863