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Fits GM HEI Applications
3-8 AN and 10-20 AN
Fits Ford 289/302/351W Small Block Engines
universal lever
resulting in parts with the appearance of 200
Air Hold Adapter Set Includes 14mm and 18mm Sizes 1/4 NPT Female Thread Use In Spark Plug Holes Black Proform Vehicle Scale Fits GM HEI ApplicationsNow 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
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