etc) from 1966 - 1974

For use with Mid-USA Wide Style Gen 2 Springer front ends

The headlight mounting holes are 3/8 inch

Designed for use with a 22mm petcock (sold separately)

Primary Chain 1936-1986 Harley-Davidson Big Twin 4-Speed 1984-2006 FXST/FLST 1991-2005 Dyna Glide Material_Steel etc) from 1966 - 1974Diamond Chain Company brand chains are known for their quality; they are OEM on many motorcycles. These endless link primary chains are perfect for replacing your worn chains. Made in the USA. See Additional Information below for fitment. Endless link Diamond primary chain Size 428 2 chain, 82 links Replaces Harley Davidson OEM# 4000736A and 4000736B Made in the U. S. A.