VALVE SEAT CUTTER KIT. 3 ANGELS CUT 30-45-60. 1x 42 mm CUTTER HEAD INTAKE 30 DEG TOP CUT. 1x 42 mm CUTTER HEAD INTAKE 45 DEG BASE CUT. 1x 42 mm CUTTER HEAD INTAKE 60 DEG BOTTOM CUT. 1x 38 mm CUTTER HEAD EXHAUST 30 DEG TOP CUT. 1x 38 mm CUTTER HEAD EXHAUST 45 DEG BASE CUT. 1x 38 mm CUTTER HEAD EXHAUST 60 DEG BOTTOM CUT. 1x ARBOR + DRIVE BAR.