Today, the NMCA Tech Committee released updated preliminary rules in the following classes today:
1. General Regulations – Addressed multiple entries in index classes.
2. Nitrous Pro Street – Billet Cylinder Head rule updates.
3. Factory Super Cars – Clarified the 2020-21 Dodge//Hemi combination.
The 2021 NMCA Preliminary Class Rules can be found here: https://www.nmcadigital.com/2021-class-rules-payouts/