The Sun Compression Tester 0338 0014 is a reliable diagnostic tool suitable for various vehicle types such as motorcycles, ATVs, passenger vehicles, and heavy-duty/commercial vehicles. Made by Sun Electric Corp. in the United States, this compression tester is designed specifically for gasoline engines, with a maximum pressure of 300 PSI. The instrument gauge comes with a hose and fitting, ensuring easy and accurate readings for engine compression testing. Perfect for mechanics and car enthusiasts looking to accurately diagnose engine performance issues.