All Buyers please inspect all the parts or engines once arrived, and any damaged shipments should be reported immediately to the freight company that delivered the parts or engines. We offer 14 days return on unused, never installed and in clean, unmarked and original packaging on Engine Component category items. A 15% restocking fees will be charged, and buyer pays for the return shipping cost. Shipping cost is non-refundable, and credit issue after the item received and passed inspection. All other categories items return is accepted on a case-by-case basis and require a return authorization number. Please contact us for details. International and or airfreight are nonrefundable.