COMP Cams Stud Boss Cutter 4729; Rocker Arm Stud Boss Cutter
$154.06
When using screw-in studs on a factory cylinder head it is necessary to machine down the stud boss equal to the thickness of the new stud's jam nut plus the guide plate thickness. Stud Boss Cutter Series:Rocker Arm Stud Boss Cutter.
