Rcexl Twin Cylinders CDI Ignitions for NGK CM6 10MM 90 Degree (A-02 4.8V~8.4V 622a) Working Voltage: 6-12V Plug Type: Futaba Female (for Battery), Futaba Female (for Tachometer) Net Weight (CDI): 161g Suitable for Spark Plug: CM6-10mm Package Contents: Hall Sensor Kits*1 set, CDI Ignition*1pcs, Contraction Duct*1pcs, Spark Plug Cap*2pcs (CM6 10MM 90 Degree)