There are two products we have in our system (Customer Supplied Tires) and (Michelin Tire Upgrade).  They are different products but should not be chosen on the same quote. I need a trigger (or something) that will allow our users to pick 1 or the other, but not both.  If someone can help, please let me know and I will be happy to provide more detailed information.

Thank you - 
MGrundman