This precision timing tape is an essential tool for anyone working with a Chevrolet 7" engine. Made by Mr Gasket, the leading brand in engine parts, this timing tape is designed to provide accurate and dependable timing measurements. With a manufacturer part number of 1589, you can trust that this timing tape is the real deal. Use this timing tape to ensure that your engine is running at peak performance. It is easy to install and use, making it a must-have for any car or truck enthusiast. Whether you're an experienced mechanic or just starting out, this timing tape is the perfect addition to your toolkit.