July 29, 2021 - NMCA Tech Committee clarifies Factory Super Cars rule amendment Today, the NMCA Technical Department clarified a pulley adjustment on the Dodge Challenger Mopar Drag Pak 2021 combinations in the Factory Super Cars Class. The upper pulley change to the combination was not reflected in the rule amendment, but has been updated today. Unless otherwise noted in this document, these amendments will go into effect immediately. The 2021 NMCA Class Rules and Amendments can be found here: https://www.nmcadigital.com/2021-class-rules-payouts/