Hi Megan T., Thank you for sharing this review about the quality of the Valve Lifter. We apologize if this has caused you any inconvenience. We are offering numerous brands since we are outsourcing products from different suppliers. In this case, we offer items which are manufactured in different countries. There are some brands that were built in Germany, Japan, US and Asian Countries like China. We assure you that all products are tested thoroughly before shipping and for occurrences that the part gets defective and it is still under warranty, we take full responsibility providing refunds or replacement, depending on our customer’s preference. For assistance, please feel free to email us. Thank you.