With O-rings on each end to assure securing positioning, this unit slides down into the lifter bore and sits atop the camshaft for accurate measurement of lobe lift and base circle runout. Supplied with two followers, one for flat tappet or hydraulic cams, and the other for roller cams. Designed for GM (.842in dia.) and Ford (.875in dia.) applications. Includes 0-1.000in Dial Indicator 66962 (0.001in)! Product Features:Fits GM .842 Inch and Ford .875 Inch Lift Bores0 to 1.000 Range in 0.001 IncrementsO-Ring Secured Bore MountingIncludes Hydraulic Tappet and Roller Tappet Followers1-inch Stud Length
