Rezvani is just weeks out from debuting the 2024 Arsenal, an armored SUV big enough for seven and able to be optioned out with a 675-hp V-8. The California company already offers an armored SUV based on the Cadillac Escalade in the form of the 2023 Vengeance, which seats eight, but the Arsenal will feature a more toned-down design, judging by a…