January 26-27, 2013
Double National
Auto Club Speedway
SANCTION #:
13-N-2447-S/ 13-N-2448-S

NATIONAL GROUP 1 SRF SATURDAY SUNDAY GROUP 2 AS/GT1-3 GTL T1-2, Production SATURDAY SUNDAY GROUP 3 SM SATURDAY SUNDAY GROUP 4 FV/ F500/FF SATURDAY SUNDAY GROUP 5 Formula/ Sports Racers/S2000 SATURDAY SUNDAY GROUP 6 B Spec/HP/STL/STU/T3 & 4 SATURDAY SUNDAY