Pursley is tied with David Mayhew with 320 points atop the West Series standings after two races.
Eric Holmes, a driver from Escalon, won the West Series race in Phoenix. He was followed by Jason Bowles, the reigning West Series champions from Ontario, in second and Pursley.
Paulie Harraka, who won the West Series season opener at All American Speedway in Roseville, was collected in a crash and finished 29th.
Pursley led for 27 laps of the race. Holmes took over the lead from Pursley on lap 93 and held for the remainder of the race, which included an attempt at a green-white-checker finish, a result of a three-car crash on lap 99.
Photo: Greg Pursley charges out front of the pack at the NASCAR K&N Pro Series West race at Phoenix International Raceway on Thursday. (Getty Images for NASCAR)