As an automotive enthusiast, I recently purchased a new radiator cap for my performance car and it has made a noticeable difference. Based on my observations, the Stant 10252 Radiator Cap PSI has improved the engines overall performance, leading to better acceleration and smoother driving .The build quality is impressive and it fits perfectly in my car. However, I did notice that the cap was slightly difficult to tighten at first, but once secured, it has performed flawlessly. Overall, I highly See full review