The Nissan GT-R V Spec will allegedly be packing 520 horses ... folks who want to win seriously competitive drag races), so Hennessey is offering GT-R upgrades that beef Godzilla up to 600 hp.

Prices shown are the prices you can expect to pay for a 2011 Hennessey Nissan GT-R Gtr700 Coupe across different levels of condition. Edit options.

And with hi-po vehicles like the IS F, ZR1, and GT-R on their way to buyers' garages, John Hennessey says he is working on packages to make all of those cars even higher-po. Skip to main content NEWS ...

Prices shown are the prices you can expect to pay for a 2011 Hennessey Nissan GT-R GTR600 Coupe across different levels of condition. Edit options.