BMW R60/2, R50/2 1960 to 1969 Valve seat Cutter Set Carbide Tipped 3 Angle Cut. 30 DEG 45 DEG 60 DEG. Milling in the following sizes. At 45 DEGREE + 90 DEGREE. 30 DEGREE + 90 DEGREE. 35 mm – 30 Degree Top Angle Cutter For Intake. 35 mm – 45 Degree Primary Base Angle Cutter For Intake. 2x STEMS 7 mm, 8 mm. 2x VALVE GUIDE HONE REAMERS 7 mm, 8 mm. Feel Free To Ask Any Question. 32 mm – 60 Degree Inner (Throating) Angle Cutter For Intake. 33 mm – 30 Degree Top Angle Cutter For Exhaust. 33 mm – 45 Degree Primary Base Angle Cutter For Exhaust. 30 mm – 60 Degree Inner (Throating) Angle Cutter For Exhaust.