How to Cut valve spring seats with comp cams cutter

Contents 12 Pcs Cutters 1.3/4, 1.7/8, 1.5/16, 1.7/16, 1.1/2, 1.5/8, 1.3/16, 1.1/4 45 Degree. The item carbide tipped valve seat cutter set 12 cutters for vintage and modern engines is in sale since Friday, February 12, 2021.