It is a replacement for OEM #38618-68c

In addition these are half the height of the stock caps (see photo in the image gallery below)

or chipped Triumph Oil Feed Rocker Box Nuts with these brand new Chrome Acorn Nuts and pretty up that top end

which means it can be run as a spool wheel (no brakes) as well as single or dual rotors

pull wire and black spring used on 1940-1957 Big Twins

Primary Inspection Cover - Chrome - 2004-2021 Harley-Davidson Sportster XL Subcategory_Petcocks It is a replacement forCycle Standard offers high quality aluminum Primary Inspection Covers available in a variety of finishes to fit your specific model motorcycle. See Additional Information for fitment. Available in multiple finishes Replaces Harley Davidson OEM# 34761 04 Machined from billet aluminum Includes gasket and hardware.