OEM# 3107-25 nut

Designed to fit on motorcycles with tall risers or T-bars

1936-1948 LE Sidecars

For 39mm Narrow Glide Showa Forks

Primary Chain 1936-1986 Harley-Davidson Big Twin 4-Speed 1984-2006 FXST/FLST 1991-2005 Dyna Glide Material_Steel OEM# 3107-25 nutDiamond 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.