The Pittsburgh Automotive Quick-Connect Compression Tester 4 Piece Set (Part Number 62622) is designed for use with gasoline engines in motorcycles and passenger vehicles. This set includes a compression tester with a pressure release button for easy use, as well as a carrying case for convenient storage and transport. The maximum PSI rating of 300 PSI ensures accurate readings for proper engine diagnosis and maintenance. This product is a valuable addition to any automotive tool collection, providing essential support for troubleshooting and maintenance tasks.