What does SIR stand for?
SIR stands for "Sooner International Raceway"
How to abbreviate "Sooner International Raceway"?
"Sooner International Raceway" can be abbreviated as SIR
What is the meaning of SIR abbreviation?
The meaning of SIR abbreviation is "Sooner International Raceway"
What does SIR mean?
SIR as abbreviation means "Sooner International Raceway"
