120 Degree Replacement Spark plug cap kit to suit NGK CM6, Champion Y82 Plug Cap.
Includes everything in the photo + Resistor to fit inside cap
Made by RCXCEL, but suitable for many brands of igniton.
Instructions on how to fit the plug cap can be viewed/downloaded HERE
http://www.dlenginesaustralia.com/docs/CM6-CapAssembly.pdf