Splitlath will be back at the TT again this year with EBR machinery.
They will compete in the Superbike, Superstock and Senior races.
American Mark Miller remains with the team.
The second rider will be South African Hudson Kennaugh who is returning to the TT after a 4 year absence.
Cycling: Bostock nominated for national champion of the year
Manxman one of six riders on British Cycling shortlist
Football: Railway Cup hopefuls all maintain pace in premier league
Castletown stay four points clear atop Division 2
Rugby: Vagabonds Ladies stay top with another victory
Vagabonds men and Douglas also take respective wins on home soil
Hockey: Harlequins A beat rivals to close in on prem leaders
Bacchas B take important victory in battle for top-flight safety