Proform 66792 Top Dead Center Locator Tool; For Spark Plug Hole Use; Included 14mm Adapter; Features adjustable depth; Fit Most Chevy Engine Applications; Sold Each. Engine Piston Top Dead Center Locator Tool.

Brand: Proform
Manufacturer Part Number: 66792
Type: Engine Piston Top Dead Center Locator Tool
UPC: 00037995667925