Fangrui Product Details Coils 3 Ohm, Dual Output Part Number: Dc1-1 Coils : These High Tech, Coils Are Designed For Maximum Performance. They Produce Spark Voltages In Excess Of 30,000 Volts And Spark Energies Second To None. Dyna Coils Are Made To Stock Coils. Choose From Three Configurations And Five Variations Of Resistance For Different Applications. Dyna Coils Work With Point Ignitions, Aftermarket Electronic Ignitions And Factory Electronic Ignitions. Before Selecting A Coil, Check The Coil Primary Resistance Requirements As Specified By The Manufacturer Of The Ignition Being Used. Fitments: For Cb 500 550 750 Gl1000 Colour:black Material:abs Package Contents: 1 X Ignition Coil Only The Above Package Content, Other Products Are Not Included. Note: Light Reflection 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.