Lot of 5 tools used to test engines wether they are leak down tests or oil pressure and more The 5 tools that are included in this are 1. Kholer oil pressure test kit part number 2576106 2. Stens 751-180 wireless tachometer for small engines 3. Stens leak down tester 750-904 4. Kholer engines dual gauge cylinder leak down test tool 2576146-s And lastly 5.DTI-33 crankcase vacuum gauge
