Top Dead Center Locator Tool For Spark Plug Hole Fit Most Chevy Engine Applications Proform Secondary Air Injection Pump Idler / Pulley Measures 0 to 1 Inch

Measures 0 to 1 Inch Range in

7/16-20 Thread

Not Designed To Work On Engines With A Knock Sensor

and a durable foam padded carrying case

Made from Quality Steel

Top Dead Center Locator Tool For Spark Plug Hole Fit Most Chevy Engine Applications Proform Secondary Air Injection Pump Idler / Pulley Measures 0 to 1 InchThis tool provides a positive stop for the piston when locating top dead center. It screws into the spark plug hole. Sold individually. Product Details: Top Dead Center Locator Tool For Spark Plug Hole Use Included 14mm x 1. 25 Inch Adapter Features Adjustable Depth Fits Most Chevy Engine Applications Sold As Each