The American Sprint Car Series National Tour has implemented four new rule changes for the 2025 season.
The changes include:
- -Frames must conform to World of Outlaws Sprint Car chassis specifications for National races.
- -Flat top 25 square wings with up to a 2-inch wicker bill is permitted. Dished wings are no longer allowed in ASCS National Tour competition.
- -New 1500 lbs. minimum weight requirement – up from 1475 lbs.
- -Any aluminum block is allowed but must run ASCS approved weight (50 lbs.) in front of the motor plate.
For the complete set of ASCS rules, CLICK HERE.
The 2025 American Sprint Car Series National Tour will commence at Volusia Speedway Park during Federated Auto Parts DIRTcar Nationals, Jan. 30-Feb. 1. Drivers can register for the event by CLICKING HERE.
