| 1. | S.M.A.R.T. | | | Southern Modified Auto Racing Teams sanctioning body, based in Kernersville, North Carolina.
www.southernmodified.com |
| 2. | USA Modifieds | | | News, schedule, driver profiles, point standings and rules.
www.usamodifieds.com |
| 3. | York Series | | | York Triathlon Modified Racing Series.
www.rbracing.com |
| 4. | USMTS | | | United States Modified Touring Series, including forum, schedule, results, points, and driver information. Also includes information about the United States Racing Association.
www.usmts.com |
| 5. | OMDA | | | Ohio Modified Drivers Association, focusing on modified cars and oval track racing events in Ohio.
www.ohiomods.com |
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