March 29, 2021—Today, the NMRA/NMCA Tech Committee updated the 2021 Street Outlaw rules with a parity adjustment and clarification on the centrifugal 4.200 inducer and 4.025R inducer supercharger combinations.
The 2021 NMCA class rules can be found here:
https://www.nmcadigital.com/2021-class-rules-payouts/
