VALVE SEAT CUTTER SET. VINTAGE & MODERN BIG SMALL BLOCK HEADS. CHEVY, FORD, BUICK, TOYOTA, NISSAN, KIA, HYUNDAI, MITSUBISHI and MORE… SEAT CUTTERS CAN BE USE FROM BOTH SIDES FACE AND DEGREE. 1x 2.020 45 DEG CUTTER HEAD INTAKE. 1x 1.660 45 DEG CUTTER HEAD EXHAUST. 1x 1.750 60 DEG CUTTER HEAD BOTTOM CUT INTAKE. 1x 1.500 60 DEG CUTTER HEAD BOTTOM CUT INTAKE. 1x GUIDE STEM 343. 1x VALVE GUIDE SELF PILOTED REAMER 343 HSS.