Spectre's Valve Cover Hold Downs feature high quality steel construction with a triple chrome-plated finish, and a design that works with both short and tall valve covers. Manufactured for a universal fit, this product's T-bar heads allow for easy tightening without tools. Sold 4 per package, these studs have a 3-1/2 inch overall length with 7/8 inches of 1/4 inch - 20 threading.