Kevin Harvick, a four-time winner at Phoenix International Raceway, paced Saturday morning practice, logging in 42 laps during the session, including the quickest one.
Harvick was simply fast. The driver of the #4 Budweiser Chevrolet was the only driver during the morning practice to break 137 mph at 137.757 mph. Jamie McMurray was second quickest in his No. 1 Bass Pro Shops Chevy with a speed of 136.830, which was just ahead of Chip Ganassi Racing teammate, rookie, Kyle Larson, at 136.380 mph.
Daytona 500 champion, Dale Earnhatdt Jr., came in fourth with a speed of 136.664 mph, with Brad Keselowski, the pole-sitter for Sundays race, rounding out the top five.
Kasey Kahne, Tony Stewart, Carl Edwards, Jimmie Johnson, and Joey Logano, rounded out the top 10.
Final practice for the Sprint Cup Series is scheduled for 2 p.m ET on Fox Sports 1.
On Friday afternoon, NASCAR debuted knockout qualifying. Team Penske teammates, Brad Keselowski and Joey Logano, will lead the field to green on Sunday at The Profit on CNBC 500 presented by Small Business Fueling America. Coverage begins at 3 p.m. ET on Fox Sports 1.