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

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

Size: 5/16 inside diameter x 1-1/8 inch length

Includes stainless steel hardware

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

Primary Inspection Cover - Chrome - 2004-2021 Harley-Davidson Sportster XL Subcategory_Petcocks In addition these are halfCycle 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.