Harley Davidson WLA, WLC, G, UL, EL Flathead, knucklehead Valve Seat Cutting Tools. WLA, WLC, G, UL, EL FLATHEAD. 1936 TO 1947 MODELS. VALVE SEAT CUTTERS KIT. 30 DEG 45 DEG 60 DEG. Milling in the following sizes. At 45 DEGREE + 90 DEGREE. 30 DEGREE + 90 DEGREE. Contents :- 3 pcs cutters 45,30,60 DEGREE. 1.13/16 – 30 DEG. 1.13/16 – 45 DEG. 1.3/4 – 60 DEG. 2 x STEMS 11/32″, 3/8″. 2 x VALVE GUIDE. HONE REAMERS 11/32″, 3/8″. 1 pc ARBORS ROADS. Listing and template services provided by inkFrog.