CONGRUITY NHRA PRO MOD SERIES TO HOLD SRI PRO MOD SHOWDOWN IN INDY 0 0 Yesterday 21:50 Speedway Media SRI and Finish Line Consultants are pleased to announce the SRI Pro Mod Showdown will also be contested during qualifying as part of the Toyota NHRA U.S. Nationals on Aug. 28-Sept. 2 at Lucas Oil Indianapolis Raceway Park.