VALVE RE – SEATING KIT CARBIDE TIPPED. 3 ANGLE CUT AS ORIGINAL OEM SEAT. 30 DEG 45 DEG 60 DEG. Milling in the following sizes. At 45 DEGREE + 90 DEGREE. 30 DEGREE + 90 DEGREE. Contents :- 6 pcs cutters 30,45,60 DEGREE. 49 mm – 30 Degree Top Angle Cutter For Intake. 49 mm – 45 Degree Primary Base Angle Cutter For Intake. 46 mm – 60 Degree Inner (Throating) Angle Cutter For Intake. 42 mm – 30 Degree Top Angle Cutter For Exhaust. 42 mm – 45 Degree Primary Base Angle Cutter For Exhaust. 39 mm – 60 Degree Inner (Throating) Angle Cutter For Exhaust. 2 pcs STEMS 7 mm, 8 mm. 2 pcs VALVE GUIDE HONE REAMERS 7 mm, 8 mm. 1 pc ARBORS ROADS. Feel Free To Ask Any Question.