HKS RB26 refers to an engine swap by HKS, a Japanese automotive aftermarket company, into a 1973 Nissan Skyline. for GTA 5

HKS RB26 Swapped 73 Skyline for GTA 5.

HKS RB26 Swapped 73 Skyline is a great example of a classic Japanese car that has been upgraded for maximum performance and style. The exterior of this car combines retro elements with modern sports accents.