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 - The No. 1 Banana Boat team will bring Chassis #1106 to Pocono Raceway this weekend. This chassis has made two race appearances this season, the first at Bristol with a seventh-place finish and the second appearance at the Sprint Showdown, resulting in a third-place finish. This chassis was also brought to the Pocono test. This chassis was used in 2011 at Texas in November, Dover in October, Michigan (June and August), and Charlotte (Coke 600, and All-Star).
#2- Brad Keselowski - The No. 2 Miller Lite Dodge Charger team will race chassis PRS-818 during Sunday’s Pocono 400 at Pocono Raceway. Brad Keselowski last drove this chassis to a ninth-place finish at Martinsville Speedway in April.
#5- Kasey Kahne - Crew chief Kenny Francis will unload Hendrick Motorsports Chassis No. 5-729 for Sunday’s race at Pocono. This is a new car that has not been raced.
#9- Marcos Ambrose - The No. 9 RPM team has prepared chassis No. 805 for this weekend's NASCAR Sprint Cup Series Race at Pocono Raceway. This DEWALT Ford was run previously this season at Richmond and Phoenix.
#10- Dave Blaney - CHASSIS NO. 356 – TBR bought Chassis No. 356 in the off-season from Richard Childress Racing. This will mark Blaney's first start in the chassis. Teammate David Reutimann drove the chassis at Las Vegas Motor Speedway, Auto Club Speedway, Texas Motor Speedway, Kansas Speedway and Dover International Speedway this season. He had his best showing in the chassis at Texas Motor Speedway when he drove from the 31st starting spot to finish in 26th place. His best qualifying effort was at Kansas Speedway where he qualified in the 16th spot.
#14-Tony Stewart - Chassis No. 14-722: This is a brand-new race car that has never turned a wheel on the racetrack, but it has been wind-tunnel tested numerous times.
#15- Clint Bowyer - Primary Chassis No. 733 is a new chassis racing for the first time at Pocono Raceway. Chassis No. 721 is the backup and previously served backup duty at Las Vegas, California, Texas, Kansas, Darlington, All-Star and Charlotte but never raced.
#16- Greg Biffle - Biffle will race chassis RK-777 this week at Pocono, it last ran Kansas, finished fifth.
#17- Matt Kenseth - Matt Kenseth will drive RFR chassis RK-810 at Pocono, it last ran at Texas, started 2nd, finished 17th.
#22- A J Allmendinger - Allmendinger and crew are scheduled to be racing their "PRS-819" Shell-Pennzoil Dodge Charger in this weekend's Pocono 400. This chassis has been raced only once; in the April 1 Goody's 500 at Martinsville, where Dinger started 27th and finished second. The team will use their "PRS-814" Dodge Charger in the Wednesday and Thursday test days. That car will also serve as the backup Dodge Charger.
#24- Jeff Gordon - Jeff Gordon will race chassis 24-725 this week at Pocono. This is a brand new race car for the #24 team.
#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 built new for 2012 competition and was last seen on track at Auto Club Speedway in March where Menard finished 19th after starting from the 27th position in the rain-shortened Auto Club 400.
#29- Kevin Harvick - Kevin Harvick will pilot Chassis No. 374 from the Richard Childress Racing NASCAR Sprint Cup Series stable. Built new for competition during the 2012 season, Harvick utilized this chassis at Auto Club Speedway in March and Darlington Raceway in May finishing fourth and 16th, respectively.
#31- Jeff Burton - Jeff Burton will race chassis No. 385 from the Richard Childress Racing NASCAR Sprint Cup Series stable this weekend. This No. 31 Chevrolet, built new for the 2012 season, was utilized twice this season at Las Vegas Motor Speedway in March (started-22nd, finished-14th) and Texas Motor Speedway in April (started-24th, finished-29th).
#39- Ryan Newman - Chassis No. 39-655 has just two starts to its credit – last season’s Coca-Cola 600 at Charlotte (N.C.) Motor Speedway and the Food City 500 at Bristol Motor Speedway earlier this season. At Charlotte last spring, Newman was making a run for the top-10 when he got tangled in a multi-car melee on lap 303. The accident forced Newman to take his No. 39 to the garage for extensive repairs. He returned to the track more than 40 laps down and finished the race 31st. After the incident at Charlotte, the car underwent extensive work and updates in the shop before making its 2012 debut at Bristol, which resulted in a 12th-place finish.
#42- Juan Pablo Montoya - Crew Chief Chris “Shine” Heroy and the No. 42 Target team will bring Chassis #1108 to Pocono Raceway this weekend. This is the first time this chassis will be on-track in the 2012 season. This chassis raced at both Michigan International Speedway events in 2011, finishing 28th and 30th.
#43- Aric Almirola - The #43 team has prepared chassis No. 742 for the Pocono race. Almirola drove this car to a 19th-place finish earlier this season at Darlington Raceway.
#48- Jimmie Johnson - Chassis #681 serves as the primary for Jimmie Johnson at Pocono. Chassis #669 serves as the backup. #681 won at Darlington in May and also at Kansas in October of 2011.
#55- Mark Martin - Primary – Chassis 720. This chassis raced at Kansas and Las Vegas. Backup – Chassis 726 has raced at Fontana and Darlington.
#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.
- Reported in Team News/Press Releases