Mike Conway and Ed Carpenter Racing took the victory in Long Beach Sunday.
The Leaders Circle program was established in 2002 to provide incentives to teams that participate full time in the IndyCar Series.
Ryan Hunter-Reay was involved in the early development of 2.2-liter, twin turbocharged V-6 engine as Chevrolet rejoined the IZOD IndyCar Series in 2012.
"I'm happy to be back on the podium"
Power was followed closely by fellow Team Chevy drivers Tony Kanaan and Sebastien Bourdais.
Helio Castroneves continues to lead IZOD IndyCar series points.
Ryan Hunter-Reay: "It's frustrating; things just aren't falling into place right now... we can't be finishing fifth."
Yesterday was an open-test day for the IZOD IndyCar teams but today was the official practice at the Mid-Ohio Sports Car Course. Penske Racing's Will Power set the fastest time for this weekend's Honda Indy 400.
Helio Castroneves, who has finished in the top 10 the past nine races, enjoys a 29-point advantage over Scott Dixon heading into the Honda Indy 200 at Mid-Ohio this weekend.
Marco Andretti: "Mid-Ohio is one of the tracks where I have a ton of laps for whatever reason, so I always enjoy going back."
The reigning IZOD IndyCar Series champion set the fastest lap in the IZOD IndyCar Series open test at the Mid-Ohio Sports Car Course in Lexington, Ohio.
Ryan Hunter-Reay: "I don't think he [Will Power] drove into me on purpose, but we were taken out of the race."
Sebastien Bourdais gets second podium finish of weekend from successful standing start.