GM LS SERIES V8 5.3L, 6.0L, 6.2L. VALVE SEAT CUTTER KIT CARBIDE TIPPED. 30 DEG 45 DEG 60 DEG. Milling in the following sizes. At 45 DEGREE + 90 DEGREE. 30 DEGREE + 90 DEGREE. Contents :- 6x cutters 30,45,60 DEGREE. 1x – 30 Degree Top Angle Cutter For Intake. 1x – 45 Degree Primary Base Angle Cutter For Intake. 1x – 60 Degree Inner (Throating) Angle Cutter For Intake. 1x – 30 Degree Top Angle Cutter For Exhaust. 1x – 45 Degree Primary Base Angle Cutter For Exhaust. 1x – 60 Degree Inner (Throating) Angle Cutter For Exhaust. 3x VALVE GUIDE HONE REAMERS.