Note: Please compare your unit with the picture. and high quality. Part numbers: 33410-45012, 33410-47021, 33410-34521, 33410-31311, 33410-45112. This ignition coil fits the following models: For : KZ1000A 1977 KZ1000A MKII 1978–1979 KZ1000C Police 1978–1979 KZ1000D Z1R 1977–1979 KZ1000E 1979 KZ400A Deluxe 1977–1978 KZ400B 1978–1979 KZ400C 1978 KZ400D 1977 KZ400S Special 1977 KZ440B 1980 KZ650B Z650 1977–1979 KZ650C Custom 1977–1979 KZ650D SR 1978–1979 KZ650F 1980 KZ750B 1976–1979 KZ750E 1980 KZ900A 1976–1977 KZ900B 1976 Z1 1973–1975 For : GS1000 1978–1979 GS1000C 1978–1979 GS1000EC 1978–1979 GS1000EN 1978–1979 GS1000L 1979 GS1000N 1978–1979 GS1000S 1979 GS550 1977–1979 GS550 Indy 1977 GS550E 1977–1979 GS550L 1979 GS750 1977–1979 GS750B 1977–1979 GS750C 1977–1979 GS750EC 1977–1979 GS750EN 1977–1979 GS750L 1979 GS750N 1977–1979 GS850G 1979 Material: ABS Color: Black Package contents: 2 x Ignition coil, 4 x Spark plug cap The package includes only the items listed above; other products are not included. Note: Light reflection and different display settings may cause slight color variation between the image and the actual item. Measurement may vary by 1–3 cm.