TRACK RULES, REGULATIONS & PROCEDURES
LATE MODELS
BOMBERS
ASCS 305 SPRINT CARS
CASA NISSAN LEGENDS CARS
USRA MODIFIEDS
NOTE: In USRA Modified rules, El Paso Speedway Park and Southern New Mexico Speedway treat the 23-degree steel-headed engine the same as the spec head engine.
LIMITED X-MODS
STREET STOCKS
SUPER TRUCKS
MINI-SPRINTS