Ford’s V-8-powered F-150 Raptor R has received the 6×6 treatment courtesy of Hennessey Performance Engineering, though it doesn’t come cheap. The Texas tuner and maker of the Venom F5 hypercar on Tuesday revealed the new VelociRaptoR 6×6 with a price tag of $499,999. That price includes the cost of the donor F-150 Raptor R. The VelociRaptoR 6×6…