#2- Brad Keselowski - The No. 2 Miller Lite primary chassis for Chicagoland is PRS-864, it's a brand new chassis. Backup Chassis PRS-838 last raced at Darlington (finished 32nd).
#5- Kasey Kahne - Crew chief Kenny Francis will unload Hendrick Motorsports Chassis No. 5-809 for Sunday’s event at Chicagoland. Kahne drove this car to a third-place finish at Indianapolis Motor Speedway in July. Most recently, he finished seventh while driving this car at Michigan International Speedway in August.
#9- Marcos Ambrose - The No. 9 Deewalt Ford Fusion team will bring new chassis No. 842 this weekend to Chicago. The team last ran this chassis at Pocono Raceway where they started in eighth and finished in the 12th spot.
#10-Danica Patrick - Chassis No. 10-805 was used for the first time in July at the Indianapolis Motor Speedway where Patrick started 33rd and finished 30th
#16- Greg Biffle - No. 16 3M Post-it Ford Fusion primary chassis RK-862 was brand new to the track earlier this year at Pocono and earned a 10th-place finish. Backup Chassis: RK-859 Last ran Indianapolis – finished 24th.
#17- Ricky Stenhouse Jr - No. 17 Best Buy Ford Fusion primary chassis RK-860 is the same chassis that the No.17 team ran at Indianapolis, where Stenhouse ran in the top-25 for the majority of the race, but was unable to gain on the leaders as track position was crucial. The backup Chassis RK-815 is a chassis that the No. 17 ran at Darlington finishing 18th and most recently this chassis tested at Atlanta Motor Speedway during the tire test.
#22- Joey Logano - Primary chassis PRS-863 is a brand new chassis. Backup Chassis PRS-839, Last raced as a backup at several races (not raced).
#24- Jeff Gordon - Gordon will race Hendrick Motorsports chassis No. 24-819 at Chicagoland. It's a brand new chassis for the #24 team.
#29- Kevin Harvick - This Week’s Budweiser Designate a Driver Chevrolet SS at Chicagoland Speedway …Kevin Harvick will pilot chassis No. 430 from the Richard Childress Racing NASCAR Sprint Cup Series stable in the GIEICO 400. This Chevrolet is new to the No. 29 team rotation and is scheduled to be on track for the first time this weekend at Chicagoland Speedway.
#31- Jeff Burton - This Week’s Caterpillar Chevrolet at Chicagoland Speedway … Jeff Burton will race chassis No. 426 from the Richard Childress Racing NASCAR Sprint Cup Series stable this weekend at Chicagoland Speedway. This No. 31 Chevrolet was utilized earlier this season at Michigan International Speedway in June and Indianapolis Motor Speedway in July.
#39- Ryan Newman - Chassis No. 39-733: A workhorse of the No. 39 fleet, Chassis No. 39-733 debuted at Indianapolis Motor Speedway in July 2012, when Newman recorded a seventh-place finish. The crew turned the car around in just a couple of days and took it to Pocono Raceway, where it finished sixth. Two weeks later, the chassis was back on track at Michigan International Speedway in Brooklyn, where it finished eighth. The chassis earned its first top-five finish at Chicagoland Speedway. The chassis next raced three weeks later at Dover International Speedway. The chassis made its last start of 2012 at Kansas Speedway in Kansas City in October, when Newman was involved in an incident that forced him to retire from the event prematurely. Chassis No. 39-733 was outfitted with a new front clip and a Chevrolet SS body over the off season, and saw its first laps of 2013 at Kansas in April, when Newman finished 14th. He then raced this Chevrolet SS to a 10th-place finish at Darlington Raceway in May. Newman again raced Chassis 39-733 at Pocono in June, where he recorded a fifth-place finish. Newman was in contention to score another top-10 finish with Chassis 39-733 at Kentucky Speedway in June, but a late-race restart saw him shuffled to 14th when the checkered flag waved. Then, Newman qualified the car on the pole and led 45 laps en-route to earning his first win of the 2013 season in July’s Brickyard 400 at Indianapolis. A week later, Newman overcame a series of slow stops on pit road at Pocono to record a fourth-place finish. Most recently, Newman fought through an ill-handling condition to finish 13th at Michigan.
#43- Aric Almirola - The No. 43 Ekrich Ford Fusion team has prepared chassis No. 864 for Chicagoland. This is a new chassis that the team tested in Chicago in August.
#48- Jimmie Johnson - Johnson will drive chassis No. 799 at Chicago. No. 799 raced twice this year, finishing 13th at Pocono and 9th at Kentucky. The car raced once in 2012 finishing 22nd at Charlotte. Chassis No. 784 serves as the backup. No. 784 raced 4 times this year, winning the All Star race and finishing 28th at Michigan, 3rd at Kansas and 12th at California.
#88- Dale Earnhardt Jr - Crew chief Steve Letarte and the No. 88 team will unload Hendrick Motorsports Chassis No. 88-810 this weekend at Chicago. Earnhardt first raced this chassis at Indianapolis Motor Speedway in July, and he finished sixth at the 2.5-mile speedway.
#99- Carl Edwards - This week's No. 99 Fastenal Ford Fusion primary chassis, RK- 854, last ran at Michigan. Backup chassis is RK 831.
- Reported in Team News/Press Release