Pither previously raced alongside Jones for the team in the 2014 Dunlop Super2 Series.
"Coca-Cola is a very iconic brand so it's an amazing opportunity to partner with them and have them on board the #96 for the season ahead," Jones said.
"I'm glad Coca-Cola will be helping me stay refreshed during my race weekends. This is a new era for myself with a new number also so I'm really looking forward to the year.
"I've had a fair few changes in my world in preparation for the season, moving under the BJR banner, a new sponsor, a new number and an engineering change with Tom Wettenhall my new engineer.
"It's an exciting time for myself and BJR moving forward and I'm looking forward to what we can accomplish as a team.
"Having more involvement with the team's day to day business has also been great to get my head around how it's all coming together.
"I'm looking forward to getting to work with Chris again and having him behind the wheel of #96 for the great race.
"We were teammates back in Super2 and get along well together, it'll be nice to have him back with BJR and hopefully have a successful enduro race."
Jones will take to Winton Motor Raceway on Friday for official pre-season testing.
The 2021 Repco Supercars Championship will commence at the Repco Mt Panorama 500. Tickets are on sale now.
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