Customer Service Horizon Hobby, Inc. ATTN: Evolution Engines 4105 Fieldstone Road Champaign, IL 61822 Main Phone: (217) 352-1913 Toll-Free: (800) 338-4639 Support Phone: (877) 504-0233 Sales Phone: (800) 338-4639 To Place a Horizon Hobby Support Inquiry please visit our Inquiry Form Warranty Questions Repair Questions Technical Product Questions For Sales or Website related questions, please fill out the form below: Please Select Email Recipient: Sales related comments or questions Web site related comments or questions Please check if you would like a response. (All fields required for a response) Name Email Comments Please type the text you see in the image above.