tighten down and you are good to go

with the flange being 7/8" outside diameter and 1/8" thick

they are ready to weld on or modify for your needs

though the gasket will not

Double hemmed edges with brass grommets in each corner

No. 4 Cam Gauge Pins .105" 1989 & earlier Harley Big Twins Subcategory_Ignition Systems tighten down and you areThese 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.