Refunds given within 30 days of date on receipt, 20% restocking fee may apply. Only unused/unwrapped items may be returned. If you feel a part is defective, it needs to be shipped to Driftmotion to be inspected before a refund will be given. Parts misused or abused will not be replaced as defective. No returns on used parts. Engines and engine clips sold as is, no refunds. Customer must pay return shipping unless it was a mistake on Driftmotion's part. Shipping'/handling is non-refundable.