|The Monster Mile at Dover: 1-mile concrete oval with high banking|
#3-Austin Dillon: will pilot Chassis No. 431 in the FedEx 400 benefitting Autism Speaks at Dover International Speedway. This is the same Chevrolet SS that Dillon raced to an eighth-place finish in the Sprint Showdown at Charlotte Motor Speedway on May 16.
#4-Kevin Harvick: The No. 4 Budweiser team will utilize Chassis No. 846 in Sunday's race. Harvick last raced this car at Bristol (Tennessee) Motor Speedway in March. He led 28 laps during that event and was running in the top five when something cut an oil line on the car, ending the team's night. Harvick was credited with a 39th-place finish.
#5-Kasey Kahne: Crew chief Kenny Francis has selected Hendrick Motorsports Chassis No. 5-809 for Sunday's race at Dover. Kahne last drove this chassis to a third-place finish at Indianapolis Motor Speedway in July 2013.
#10-Danica Patrick: Chassis No. 10-805 was used for the first time in July at Indianapolis Motor Speedway, where Patrick started 33rd and finished 30th. It was then used in September at Chicagoland Speedway in Joliet, Illinois, where Patrick started 23rd and finished 20th, and in October at Charlotte (N.C.) Motor Speedway, where Patrick started 35th and finished 20th. The last time it was used was in November at Texas Motor Speedway in Fort Worth, where she started 30th and finished 25th. Since then, it has served as a backup car in 2014 at Las Vegas Motor Speedway and then was regulated to the primary car at Bristol (Tenn.) Motor Speedway, where she started 36th and finished 18th. It was then a backup at Kansas Speedway in Kansas City and for the Sprint Showdown at Charlotte.
#14-Tony Stewart: Chassis No. 14-825: This car debuted in March at Bristol (Tenn.) Motor Speedway, where Stewart qualified 37th and rallied to a fourth-place finish. It was tested at Nashville (Tenn.) Superspeedway April 30-May 1 with Stewart and again May 6-7 with Scott Riggs. Chassis No. 14-825 will make its second career start Sunday at Dover (Del.) International Speedway. Every lap this car has turned has come on a concrete racetrack.
#15-Clint Bowyer: Chassis No. 800 serves as the primary chassis. This chassis has never seen action on the race track but has served as the back-up for several races this season, including last weekend's Coca-Cola 600. Chassis No. 804 serves as the backup. This chassis finished 12th at Darlington and 15th at Bristol earlier this year.
#16-Greg Biffle: Primary Chassis: RK-903. Last ran Darlington - finished 5th. Backup Chassis: RK-879 Last ran Las Vegas - finished 22nd.
#17-Ricky Stenhouse Jr.: Primary Chassis: RK- 914 - New chassis. Backup Chassis: RK-888 - Last raced at Bristol - finished second.
#22-Joey Logano: Primary Chassis: PRS-913. Last Raced: New Chassis. Backup Chassis: PRS-858. Last Raced: Richmond backup (not raced)
#24-Jeff Gordon: No. 24 crew chief Alan Gustafson has selected Hendrick Motorsports Chassis No. 24-819 for this Sunday's race. This chassis has been raced three times previously - all in 2013 - with finishes of 38th at Texas Motor Speedway, seventh at Charlotte Motor Speedway and sixth at Chicagoland Speedway.
#27-Paul Menard: will pilot chassis No. 466 in the 400-mile event at Dover International Speedway. This No. 27 Chevrolet SS was previously raced this year at Kansas Speedway, where Menard finished in the 17th position.
#31-Ryan Newman: will drive chassis No. 441 on Sunday at Dover International Speedway. Chassis No. 441 has competed in two Sprint Cup Series events so far in 2014, producing two top-10 finishes (Phoenix International Raceway - seventh and Darlington Raceway - 10th).
#41-Kurt Busch: will pilot Chassis No. 860 in Sunday's FedEx 400 benefitting Autism Speaks at Dover (Del.) International Speedway. Built new for 2014, No. 860 qualified 11th and finished 39th in April at Texas Motor Speedway in Fort Worth - it's only racing action to date.
#48-Jimmie Johnson: Crew chief Chad Knaus has selected Hendrick Motorsports Chassis No. 48-879 for this weekend's 400-mile event. This is a brand new chassis that has never been raced before. The backup car is Chassis No. 48-728, which Johnson most recently raced in March at Bristol Motor Speedway.
#55-Brian Vickers: Primary: 812 Backup: 801 Neither have raced.
#88-Dale Earnhardt Jr.: Crew chief Steve Letarte and the No. 88 team will unload Hendrick Motorsports Chassis No. 88-745 this weekend at Dover. Earnhardt most recently raced this chassis to a second-place finish at Darlington Raceway in April.
#99-Carl Edwards: Primary chassis: RK-891 was last run in 2014 at Fontana, finishing 10th. Backup chassis: RK-904 was last run in 2014 at Darlington, finishing 13th.
- compiled by Jayski.com