Moroso Spark Plug Air Hose Adapter Kit H776C01S Steel Sleeve

Steel Sleeve

but came with a few problems

CNC-machined from one-piece 6061-T6 billet

20 mm bung for low oil warning sensor (22-405 required if not used)

Moroso Spark Plug Air Hose Adapter Kit H776C01S Steel SleeveAir hose kit makes it easy to pressurize the cylinder to hold the valve closed when changing a valve spring Fits all 14mm and 18mm spark plug holes Includes a 12" hose and 3 spark plug adapters Moroso Performance Products is one of the worlds most respected suppliers of automotive equipment for racing and street performance applications. Moroso manufactures over 4000 products, from oil pans and oiling systems, to ignition wire, ignition components,