 With Steven Ellery Racing dropping out the V8 Supercar Championship Series in 2005, Youlden was hired by Stone Brothers Racing to drive alongside Russell Ingall in that year's endurance races.The pair finished inside the top ten in both endurance races, helping Ingall to the 2005 title.Youlden remained with the team for 2006 and came perilously close to a second podium a Bathurst when he and Ingall finished in fourth place, just one one-hundredth of a second behind teammates James Courtney and Glenn Seton.