ewk camshaft alignment timing belt locking tool kit for audi a4 a6 a8 v6 3.0 ewk ●the tool is used to secure and maintain tdc (top dead center ) timing alignment when the cam belt is serviced or removed for other front-engine or cylinder head service tasks. <br><b>●customer service:</b><br> 1. office hours: monday to friday 9:00am to 3:30pm (pacific time).<br> 2. we will reply your message within 24~48 hours.<br> <b>● shipping:</b><br> 1. monday to friday (orders placed before am8:00) will be shipped within 24 hours.<br> 2. orders placed after friday am8:00 or national holiday will be shipped on the coming business day.<br> 3. buyers responsible for all custom and brokerage fees for shipments outside of the united states.<br> <b>●30 days money back guarantee:</b><br> 1. customer must contact us within 30 days after the purchasing. <br> 2. item must be sellable condition with the original packaging. fees may apply if item is determined as not original condition.<br> 3. buyer should be responsible for the return freight.<br> 4. 20% restocking fee is non-refundable under any circumstances.<br> <b>