Not sure where you found that posted, Glider, but when I entered in search on HD USA's website found:
Part # 63731-99A SuperPremium5™ Oil Filters - 5 Micron
Utilizing advances in synthetic media technology, the SuperPremium Oil Filters are TEST-CERTIFIED to provide filtration to retain dust, soot and other solid matter with low internal pressure...
MSRP Starting at $8.95
Available Online
Fits '99-later Twin Cam and Evolution models (except '08-later XR models) and can be used as an upgrade for any motorcycle that requires Oil Filter P/N 63796-77A, 63805-80A, 63812-90 or 63813-90.
Black
MSRP US $8.95