- At 4 Star Products we specialize in premium car care products and accessories. Customer satisfaction is our #1 goal. We make it easy to order high quality products online using our secure server and we gladly accept Visa, Mastercard, American Express and Discover. You can also order by calling us toll free at 1-800-487-3347 Monday-Friday 8:00AM-5:00PM EST. Thank you for your interest in our ...www.premiumautocare.com