Review on 🔍 Enhancing Engine Performance: Leimo Cylinder Compression Leakdown Diagnostics by Robert Pearson

The two adapters in the kit are labeled incorrectly on the photos! They are 12 and 10mm. The hose nipple is 14mm but aluminum, it doesn't fit properly in my 14mm 4 cylinder spark plug. I use a different adapter from my compression tester to use a brass fitting instead of an aluminum fitting simply because I am concerned about the incorrect hose threads in the cylinder head. you have been warned Based on other reviews, I am very disappointed that I did not properly test this product. I hope you find this useful.