Briton James Walker will remain with the G-Drive/Delta-ADR LMP2 squad for the remaining six-hour races on the World Endurance Championship schedule, starting this weekend at Spa.
Walker, 29, has secured a deal to continue with the team for all the races bar the Le Mans 24 Hours after taking a class victory on his prototype debut at the Silverstone WEC opener earlier this month.
The arrangement means G-Drive/Delta-ADR heads into Spa with the same line-up of Walker, team regular Tor Graves and ex-Formula 1 driver Antonio Pizzonia that claimed victory aboard one of its pair of ORECA-Nissan 03s at Silverstone.
Walker, who notched up a Formula Renault 3.5 win at Spa in 2009, said: "After Silverstone, we've been working hard to get a long-term deal. Having had my first taste of prototypes there, I know they suit me perfectly. Hopefully this is the first year of a long career in prototypes."
Delta-ADR team boss Simon Dowson said: "James impressed us greatly at Silverstone. He didn't have any proper running beforehand, he had limited running in the dry in practice and qualifying and was then put out in a pressure situation in the race, but he showed both pace and maturity."
Pizzonia is again racing at Spa on a one-off basis, but the G-Drive team is hoping to extend the Brazilian's deal to cover Le Mans and further races.
Dowson added: "We are working with Antonio for the remainder of the season, but we do have other options for individual races after Le Mans."
Shinji Nakano will return to the team at Le Mans in June. The ex-F1 and IndyCar driver will also drive for the team at his home race at Fuji in October, having helped Delta-ADR to a class victory at the circuit last year.