PREMIUM QUALITY TIMKEN PART.
This is a REAR BEARING Assembly... for 1984-1996 model Corvettes. They do NOT have a ABS sensor as part of the hub.. unlike the front .. unlike the '97 Corvette rears when ABS sensors were part of the hub... The rear sensor is part of a separate loom.
.. a complete hub assembly.. as shown.
This is a quality known PREMIUM product.. not price driven... A complete hub bearing assembly Ready to fit and drive away...- If you want econo hubs.... get them off ebay ex China etc..
EITHER WAY. .YOU MUST.. MUST.. know what the hell your doing in changing these.. its NOT plug and play..
To Help You: here is a link to replacing a hub bearing.
(Picture is of the actual hub assembly).