Ryan Blaney (No. 29 Cooper Standard Ford F-150) is fourth in the NASCAR Camping World Truck Series championship standings.
Tyler Reddick will be making his first NASCAR Camping World Truck Series Iowa Speedway start and sixth of his NCWTS career.
Cole Custer (No. 00 Chevrolet Silverado) will make his first Truck Series start at Iowa Speedway this weekend, but the 7/8 mile tri-oval is familiar territory for the 16-year-old driver.
Daniel Suárez (No. 6 Toyota Racing Development Toyota) has three wins, 12 top fives and 21 top 10s in 39 career NKNPS East starts.
In three races on short, flat tracks this season, Brad Keselowski earned top-fives at Phoenix and Richmond. His other attempt on this track type ended in a 38th at Martinsville.
Dale Earnhardt Jr. enters the weekend with a six-race, top-10 streak on the short, flat tracks of New Hampshire, Martinsville, Phoenix, and Richmond.
Kasey Kahne was one of the top picks at New Hampshire in 2012 with a victory and another top-five. Last year, he failed to crack the top 10 in either race.
Jimmie Johnson currently holds the longest top-10 streak at New Hampshire with four consecutive results of seventh or better.
Jeff Gordon enters the Camping World RV Sales 301 with a 17-race, top-15 streak at New Hampshire dating back to the fall 2005 race.
Tony Stewart (No. 14 Mobil 1 Chevrolet) has three wins, 14 top fives, 17 top 10s; one pole and an average finish of 11.9 at New Hampshire Motor Speedway.
Kenzie Ruston (No. 96 Ben Kennedy Racing Chevrolet) has six top fives and 11 top 10s in 23 career K&N Pro Series East starts.
AJ Allmendinger has 10 NASCAR Sprint Cup Series starts and one top-10 finish at New Hampshire Motor Speedway.
Ryan Newman (No. 31 Caterpillar Chevrolet) has three wins, six top fives, 15 top 10s; seven poles and an average finish of 14.0 at New Hampshire Motor Speedway.
Ben Rhodes (No. 41 Alpha Energy Solutions Chevrolet) has five wins, four poles, 10 top fives and 13 top 10s in 16 career K&N Pro Series East starts.
Sunday's race, in Loudon, N.H., will mark Michael Annett's first visit to the popular track as a Cup Series driver, where he achieved terrific results in companion races.