The Hawk 660 Diagnostic & Tune-Up Analyzer is a specialized tool designed for analyzing 6 or 8 cylinder engines. With the Hawk brand known for its quality automotive products, this tune-up analyzer is a reliable and trusted option for professionals and car enthusiasts alike. The 660 model is specifically designed to accurately diagnose issues and provide tuning recommendations for optimal engine performance, making it a valuable asset for any vehicle maintenance and repair process.