Need to make space for screw in studs for roller rockers on your factory heads? Simply attach the boss cutter to an arbor press with the included adapter/guide, mount your cylinder head boss underneath the blade and cut away. Please note that the cylinder head may need to be angled correctly before cutting, and the finished cutting area should be at least the same diameter as the screw in stud hex nut flange area.Proform Engine Block Drill Jig 67568Specifications: Feature/Benefit Cuts bosses with ease Color Gray Tool Type Valvetrain Tools Blade Color Gray Category Cutting Tool Finish Gray Material Steel/Carbide Part Type Cutting Tool Description_ABR Cutting TL Description_SHO Boss Cutting Tool Description_INV Stud Boss Cutting Tool Description_INV Carbide Description_DEF Engine Block Drill Jig Description_ASC STUD BOSS CUTTER Description_LAB STUD BOSS CUTTER Description_DES STUD BOSS CUTTER Description_EXT Cylinder Head Stud Boss Cutting Tool Description_EXT Carbide Blades Description_EXT Universal Arbor and Guide Tip Description_EXT Sold Each Description_MKT Need to make space for screw in studs for roller rockers on your factory heads? Simply attach the boss cutter to an arbor press with the included adapter/guide, mount your cylinder head boss underneath the blade and cut away. Please note that the cylinder head may need to be angled correctly before cutting, and the finished cutting area should be at least the same diameter as the screw in stud hex nut flange area.
