Not all teams announce their weekly race chassis'. Here is a list of those teams that do reveal the chassis in the teams race preview:
#1- Jamie McMurray - Chassis #1106. Crew Chief Kevin “Bono” Manion and the No. 1 Bass Pro Shops/Allstate team will use Chassis #1106 for Pocono. Chassis #1106 has been raced three times this season: Bristol, finishing seventh, Charlotte for the Sprint Showdown, finishing third, and earlier at Pocono, finishing 10th. This chassis was also raced six times in 2011.
#2- Brad Keselowski - The No. 2 Miller Lite Dodge Charger team will race chassis PRS-813 during Sunday’s Pennsylvania 400 at Pocono Raceway. Keselowski last raced this chassis to a second-place finish in the NASCAR All-Star Race at Charlotte Motor Speedway in May. Since that race, the car has been updated to the current Penske Racing specification.
#5- Kasey Kahne - Crew chief Kenny Francis will unload Hendrick Motorsports Chassis No. 5-724 for Sunday’s race at Pocono. Kahne drove this car to Victory Lane in the 600-mile event at Charlotte Motor Speedway in May. He also raced this car at Michigan International Speedway in June.
#9- Marcos Ambrose - The No. 9 RPM team has prepared chassis No. 735 for this weekend's NASCAR Sprint Cup Series Race at Pocono Raceway. This Stanley Ford was last run this season at Charlotte Motor Speedway in May.
#14-Tony Stewart - Chassis No. 14-722: This car debuted in June at Pocono Raceway as Stewart took Chassis No. 14-722 from its 22nd place starting spot to finish third in the Pocono 400. Prior to Pocono, the car spent numerous hours in the wind tunnel.
#15- Clint Bowyer - Primary Chassis No. 733 started 16th and finished sixth at Pocono in June. Backup chassis No. 721 has served backup duty at multiple races, but has not raced. It served as the backup at Las Vegas, Fontana, Texas, Kansas, Darlington, All-Star, Charlotte, Pocono and Michigan. Chassis No. 721 tested Pocono on June 6 and Michigan on June 14.
#16- Greg Biffle - Primary: RK-803 Last ran Kentucky – finished 21st. Backup: RK-786 Last ran Homestead – finished 35th.
#17- Matt Kenseth - This week at Pocono, Matt Kenseth will pilot the #17 Zest Ford Fusion, chassis RK-810, last ran at Pocono in June, finished 7th.
#22- Sam Hornish Jr - Hornish and his Todd Gordon-led Penske Racing No. 22 Team will be racing their "PRS-827" Shell-Pennzoil Dodge Charger this weekend at Pocono Raceway. This is a new chassis in the "Double-Deuce" team's fleet of Dodge Chargers. The "PRS-819" chassis will serve as the backup Shell-Pennzoil Dodge for this weekend. This was the car that AJ Allmendinger drove to a second-place finish in the April Martinsville race.
#24- Jeff Gordon - Gordon will drive Hendrick Motorsports chassis 24-725 this week at Pocono. The car finished 19th at Pocono earlier this year in it's only start.
#27- Paul Menard - Paul Menard will pilot Chassis No. 384 from the Richard Childress Racing NASCAR Sprint Cup Series stable. This No. 27 Chevrolet was last seen on track at Pocono Raceway in June where Menard started from the third position and drove to a ninth-place finish. The Eau Claire, Wis., native also raced this Chevrolet at Auto Club Speedway in March, finishing 19th after starting from the 27th position in the rain-shortened Auto Club 400.
#29- Kevin Harvick - Kevin Harvick will pilot Chassis No. 396 from the Richard Childress Racing NASCAR Sprint Cup Series stable. Built new for competition during the 2012 season, this RCR racer was utilized by Austin Dillon earlier this season at Michigan International Speedway where he captured a 24th-place finish in his 2012 Sprint Cup Series debut.
#31- Jeff Burton - Jeff Burton will race chassis No. 385 from the Richard Childress Racing NASCAR Sprint Cup Series stable. Burton has driven this No. 31 Chevrolet three times this season including the Coca-Cola 600 at Charlotte Motor Speedway in May (started-22nd, finished-19th), Texas Motor Speedway in April (started-24th, finished 29th) and Las Vegas Motor Speedway in March (started-22nd, finished 14th).
#39- Ryan Newman - Chassis No. 39-733: After an impressive debut last weekend in the Brickyard 400 at Indianapolis Motor Speedway, Chassis No. 39-733 will return to the track this weekend at Pocono Raceway. Newman and his team overcame an ill-handling racecar and used quick pit work to help engineer a run into the top-10.
#42- Juan Pablo Montoya - Chassis #1119. Crew Chief Chris “Shine” Heroy and the No. 42 Target team will travel to Pocono with Chassis #1119. This chassis was used in 2011 at Charlotte, finishing 14th, and Texas finishing 18th. Chassis #1119 raced earlier this year at Fontana where it finished 17th, Texas, finishing 16th and Charlotte for the Sprint Showdown, finishing fifth.
#43- Aric Almirola - The No. 43 team has prepared chassis No. 752 for Pocono. This car was last on track at Michigan International Speedway in June.
#48- Jimmie Johnson - Chassis No. 681 serves as the primary for Johnson at Pocono. Chassis No. 669 serves as the backup. No. 681 finished 4th at Pocono this year and won Darlington in May this year.
#55- Mark Martin - CHASSIS: 720 – finished second at Pocono in June. Also ran at Kansas and Las Vegas. Backup – 732 has not raced in 2012.
#88- Dale Earnhardt Jr - This weekend, crew chief Steve Letarte and the No. 88 team will unload Hendrick Motorsports Chassis No. 88-726. Earnhardt first raced this chassis to an eighth-place finish at Pocono in June.
#99- Carl Edwards - The No. 99 team will be unloading chassis RK-815 this weekend. This car was new at Darlington where Edwards finished seventh and it also finished 11th at Pocono in June.
- Reported in Team News/Press Releases