The rear galley plug (commonly known as the "barbell" or "dog-bone") is an important part of the oil system in LS engines and replacing the stock part with an upgraded one is a good idea anytime you have the rear cover off your engine.
Check out our project Z06 Corvette:
https://grassrootsmotorsports.com/project-cars/2004-Chevrolet-corvette-z06/
Thanks:
CRC Industries: https://www.crcindustries.com/
Tire Rack: https:
www.tirerack.com/content/tirerack/desktop/en/homepage.html
Simpson Racing Products:
https://www.simpsonraceproducts.com/
Improved Racing:
http://www.improvedracing.com/