Watch products with ShopSavvy for price drops, stock alerts, deals and more. Deeply Research This Product The Lisle 20250 Compression Tester is a favorite among DIYers and pros alike for checking ...

Why cant I use a regular compression tester? You certainly can, but it doenst show you the whole picture. If the compression on one face of a rotor is bad, that will not show up on a regular tester, ...