Test N Tune at Darlington Dragway on Saturday, December 16, 2023 Grudge Races admin — December 17, 2023 · Comments off Had fun at Darlington on Saturday. I got to meet another young rider named Luke Harper on the Zx14. source Darlington Dragway DMAC Dmacthelumberjack grudge race grudge racing gsxr1300 KTM450 motorcycle racing no prep kings grudge Npk grudge street outlaws grudge young gunners ZX14