Did Not Finish Streak and stats:

#14-Tony Stewart has the longest current streak of finishing races at 55 races of drivers who have ran all the races. The next driver with the most is: #39-Ryan Newman & #00-David Reutimann with 38 straight races without a DNF.
Five drivers have run all the 2009 races and not had a DNF: #14-Stewart, #39-Newman, #42-Montoya, #00-Reutimann and #07-Mears
The all-time record for the longest streak of NOT having an DNF is 84 races held by Herman Beam from April 30, 1961 thru March 10, 1963 [Beam didn’t run all the races, but did not have a DNF in 84 straight consecutive races that he ran].
Clint Bowyer holds the modern day (1972-present) at 83, next is Kevin Harvick at 81 [also had a 2nd streak of 58], then Jeff Gordon at 56 and Dale Earnhardt at 53.
The Most in 2009: #66-Blaney has the most DNF’s in 2009 with 26 [in 28 starts], followed by #87-Nemechek who has 24 [in 27 starts]. Both of these teams are start-and-parkers for most races. The most DNF’s among drivers who have run all the races in 2009: #96/#71-BLabonte with 6.(10-25-2009)