CONCORD, N.C. (April 13, 2022) – Spire Motorsports announced today RelaDyne will showcase its Drydene and DuraMAX brands aboard Corey LaJoie’s No. 7 Chevrolet Camaro ZL1 in the May 1 NASCAR Cup Series (NCS) DuraMAX Drydene 400 presented by RelaDyne at Dover Motor Speedway. (more…)