Air Hold Adapter Set Includes 14mm and 18mm Sizes 1/4 NPT Female Thread Use In Spark Plug Holes Black Proform Vehicle Scale PROFORM Professional 16 Inch Billet

PROFORM Professional 16 Inch Billet Aluminum Degree Wheel is for the serious engine builder and tuner

Sold As One Complete Kit of 2 Pieces

resulting in parts with the appearance of 200

Stud Girdles reduce flex and part breakage

Fits Ford 289/302/351W Small Block Engines

Air Hold Adapter Set Includes 14mm and 18mm Sizes 1/4 NPT Female Thread Use In Spark Plug Holes Black Proform Vehicle Scale PROFORM Professional 16 Inch BilletNow that you have the PROFORM Valve Spring Tester, you will need a set of PROFORM Air Hold Adapters to remove your springs with the heads on the engine. It is a simple 3 step process: screw the air hold adapter into your spark plug hole, attach air fitting, and then an air hose. The air pressure will hold up your valves while you get to work! Sold as one set. Product Details: Air Hold Adapter Set Includes 14mm and 18mm Sizes With 1 4 Inch NPT Female