This 1991 Nissan Skyline GT-R was imported to the US in 2016 and was acquired by the seller out of Arizona in October 2017. Finished in Gun Grey Metallic over grey cloth, the car is powered by a twin-turbocharged 2.6-liter inline-six sourced from an R33 GT-R and fitted with HKS 2530 ball-bearing turbochargers and exhaust manifolds, an ARC intercooler, Tomei Poncam B camshafts with adjustable camshaft gears, a Jim Wolf Technology ECU, and a Snow Performance water-methanol injection kit.…