After trying this product i must say that the difference is noticeable .The engine runs smoother and cooler than ever before. The installation was very easy and the construction is top-notch. The gasket fits perfectly and the thermal properties keep the engine temps down. On the downside, the price is a bit high compared to other gaskets. Overall, it's worth the investment if you're looking for an excellent gasket to increase performance and protect your car's engine..