Buyers of the 2012 Hyundai Genesis will be screaming "Five-oh-Oh-OH!" when they check the box marked "R-Spec" on their ordering guide. Like the R-Spec'ed Genesis Coupe the Genesis Sedan R-Spec's on a performance mission, but this time it's carrying a 429-hp Tau 5.0-liter V8.

According to AboutCar, Kia presented this sketch of a Hyundai Genesis-based RWD sedan in Korea last week. The Kia K9 is expected to first birth a concept, then a production model during 2011 using a 385 HP V8. Update!

Poking around the Hyundai Genesis website, we stumbled into the "engineering" section and found this amazing background-sized picture of a Genesis completely disassembled, IKEA-style. Want to see how it got that way? The epic time lapse video's below.

The Hyundai Genesis Tau V8 is getting massaged for 2011 with a bump of ten ponies, bringing it up to 385 HP. How? More valve lift, intake manifold tweaks, low-friction coating on the pistons, and iridium spark plugs. Nifty.

Just when you thought the Hyundai Genesis Coupe had reached its tuning potential, Rhys Millen pulls out this monster — a sexy mid-engined genesis Coupe packing a 500HP, mid-mounted, Tau V8. Yes SEMA, there is a Santa Claus.

The Chicago Auto Show featured the Hyundai Genesis Coupe pricing and the debut of the Hyundai Genesis Coupe R-Spec, but it's this 480 HP prototype supercharged Tau V8 that has our gears turning.