This Dorman 459-440 cap screw is a high-quality performance part that is sure to enhance your vehicle's speed and acceleration. The flanged hex head design provides a secure grip, while the M8-1.25 x 40mm size is perfect for a variety of applications. With a one-year replacement warranty and California Prop 65 warning, you can trust that this cap screw is built to last and will not contain any harmful chemicals. It's perfect for those looking for a reliable and efficient performance part.