NASCAR Sprint Cup Series Pit Stall Selections

Daytona International Speedway
Sprint Unlimited

(NASCAR Statistics)

How are pit stall's chosen? by qualifying results, the 1st choose their stall and so on.
If a car/driver has to go to the rear of the field before the start of the race due to driver change, backup car,
engine/transmission change, etc they do NOT lose their pit stall selection

Pitstalls in PDF
2016 Sprint Unlimited Race Info page
Jayski's NASCAR Silly Season Sprint Cup News
Jayski's NASCAR Silly Season Site