The Vintage Sears Compression Tester Part 92171 is a high-quality diagnostic service tool designed to measure engine cylinder compression. Made by Sears in the United States, this compression tester has a maximum pressure rating of 300 PSI. It comes as a single unit, perfect for automotive professionals and enthusiasts looking to accurately diagnose and repair engine issues. With its durable construction and reliable performance, this compression tester is a valuable addition to any toolbox.
