When I tried this gasket, I was pleasantly surprised by its quality. It fits perfectly and has a tight seal that prevents any oil leaks. With this gasket, I've noticed improved engine performance and reduced noise. The rubber material is durable, and it is made with high-quality steel that resists corrosion. The only con is that it is a bit expensive compared to other valve gaskets on the market. Overall, I highly recommend these valve gaskets for anyone looking for top-notch quality and performance.