So, if you go back and read a little of the description instead of just looking at the pictures quickly, (not you Chief, me) you see a difference, not the least is the model year application.

From the HD site
25282-07
Screamin' Eagle® Billet Cam Support Plate
Billet cam support plate is manufactured from billet aluminum; featuring pressed in bronze bushings, and is
pre-assembled with the crankshaft bushing and oil pressure relief valve. Aluminum is specified at 6061-T6 billet plate, heat treated to T6 specifications, with a surface hardened anodized finish providing superior strength, rigidity, and durability.
Fits '06-later Dyna® and '07-later Softail® and Touring25283-07
Screamin' Eagle® Billet Cam Plate and High Volume Oil Pump
Billet Cam Support Plate is precision machined from 6061 Aluminum and anodized for durability.
pre-assembled with crankshaft bushing and oil pressure relief valve.
Fits '99-'06 Touring and Softail® and '99-'05 DynaSo they appear to be the same, modified for the model year changes.
So, is the oil pump through HD a "just as good as" option compared to the fueling?
Not that I will be doing this soon, (depends on the tensioners I suppose), but I want to be ready for when I do decide to do the cams (gears) and figured on replacing the oil pump anyway.
Left plate is #25282-07