The NMCA Technical Department released today, rule amendments in the Factory Super Cars class. These adjustments include an upper pulley change on the 2020-21 Cobra Jet, an upper pulley change on the 2021 Drag Pak and a cog pulley change on the 2019-20 COPO. Unless otherwise noted in this document, these additional amendments go into effect immediately. The 2021 NMCA class rules and amendments can be found here: https://www.nmcadigital.com/2021-class-rules-payouts/