The Jeep® Wrangler 392 – the quickest and most powerful Wrangler yet – is roaring off into the sunset with a special, limited-production Final Edition. Powered by a  6.4-litre V-8, rated at 470 horsepower and 470 pound-feet of torque, the Jeep Wrangler Rubicon 392 has ruled atop the Wrangler lineup thanks to its unique set