This comprehensive kit eliminates unnecessary wires

tighten down and you are good to go

but this version is modified to work with kick start transmission covers

good hardness

No. 4 Cam Gauge Pins .105" 1989 & earlier Harley Big Twins Subcategory_Ignition Systems This comprehensive kit eliminates unnecessaryThese pins are often required to ensure your cam gear and pinion gear are properly matched to one another and don't fit too loose or too tight. Pinion gears are available in different color codes, and using this set of gage pins to measure your cam gear will then ensure you select the correct pinion gear. For measuring cam gears and pinion gears on 1989 earlier big twin engines Class Z gage pins, hold a 0. 0002" tolerance.