U.S. General Flex Drive Compression Tester designed to diagnose worn piston rings, valves, and head gaskets. Fits 14mm and 18mm spark plug threads. Type: Engine Compression Tester. Drive Type: Flex hose.
Vintage US General Flex Drive Compression Tester Professional Quality 0-300 PSI
FLEX DRIVE COMPRESSION TESTER. U.S.GENERAL ITEM: 92697 PROFESSIONAL QUALITY NEW
Performance Tool W80579 Flex Drive Compression Tester - Flex Drive Compressio...