It has been 3 months since I replaced the valve cover due to a major leak and it is still dry and working great! The only issue I had with the order itself was that the half moons were missing when I received the package and we had already begun the work. Luckily we were able to locate them at a NAPA hub store after hours of searching. I had gotten in touch with customer service about the issue and at first they were going to overnight me the parts and apologized since it was an error on their part, soon after they realized I had already located the half moons locally they refunded me a portion-without me even asking them to! I was already amazed with their quick response and impressed with the overnight of the part, but for them to go one step further and issue a partial refund was amazing customer service! I've already told many people that I would highly recommend ordering from them and I plan to use them in the future as well.