For your security, to change your credit card number on PriceGuidePro.com, you must call Motor State Distributing at: (800) 772-2678 or (269) 210-4011 to have it added to your Motor State Distributing account. Any salesperson would be happy to assist you. Note: If you have a shopping cart created prior to your card being changed, you will need to go into your cart details page and update the payment method before submitting your cart.