Description
LEAK DOWN COMPRESSION ADAPTER (SR031 SR032) Choose Size::SR032 935 GT3R (12mm) Kit includes aluminum fixture Kit includes aluminum fixture Our high quality You no longer need to fight or snake a flexible rubber hose blindly through the valve cover and into the cylinder head to hook up a compression or leak down gauge on the 911 engines (or other engines with remote spark plugs) Simply insert this unique tool into the spark plug hole of the cylinder head and attach your gauge