USE NGK 3722 BR5HS

NGK Spark Plug – B5HS

Part No. 37-B5HS (oro2u.com)
B5HS Traditional Spark Plug, 14mm Thread Size, 12.7mm (1/2″) Reach, 13/16″ (20.6mm) Hex Size, Gasket Seat, Non-Resistor, Removable Terminal Nut, .028″ (0.7mm) Gap, Heat Range 9
NGK traditional plugs are constructed for longer life and optimum performance. Corrugated ribs prevent flashover. NGK uses only the purest alumina silicate in its ceramic

insulator which give all NGK plugs greater strength and better heat transfer. Copper cored and triple sealed to further aid in heat removal and prevent interior leakage.
Cross reference numbers ONLY. AC Delco 45F AC Delco M45FF AC Delco S44F AC Delco 44FF

AC Delco 44F AC Delco 46FF AC Delco 46F AC Delco R44F AC Delco S45F AC Delco 422Z AC Delco 45FF Accel 156 Autolite 535