Low tension wires: 8 inch long - 1 male and 1 female connector (power goes to the black/white line male terminal. points/condenser wire goes to the blue female terminal)Primary Windings: 4.6 ohms +- 10% (just like the coil)Coils Replace Part Numbers:30510-333-013, 30520-333-013 (CB350F, CB400F)30501-323-003, 30502-323-003 (CB500, CB550 up to '76)30501-404-000, 30502-404-000 (CB550 '77-'78)Fits for :CB350F Four - 1972-1974CB400F Super Sport - 1975-1977CB500K Four - 1971-1973CB550F Super Sport - 1975-1977CB550K Four - 1974-1978Colour:BlackMaterial:ABSSize:Spark plug wires length17 inchMounting holes: 102mm (4 inch) apartPackage Contents:2x Ignition Coils4x Spark Plug CapsInstallation Tip: Fan out the spark plug wires before twisting on the caps that way you make a better connection.Only the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.