Air Hold Adapter Set Includes 14mm and 18mm Sizes 1/4 NPT Female Thread Use In Spark Plug Holes Black Proform Dial Indicator Gauge This tool accurately measures the

This tool accurately measures the pull of a ring in the bore for a quantitative measurement of friction as a function of gap and diameter

SB 265-400

This natural finish billet aluminum backing plate is compatible with any electric water pump that mounts to the stock Ford timing cover

Backed by a limited 30 day factory warranty

Air Hold Adapter Set Includes 14mm and 18mm Sizes 1/4 NPT Female Thread Use In Spark Plug Holes Black Proform Dial Indicator Gauge This tool accurately measures theNow 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