I want to give a pre-announcement that a true bolt-on kit for a LS1 will be available soon.  The kit will fit a 89-98 240sx.  The 350z and G35 are right around the corner.  More cars will be availble as time grows.

It's still too early to say what is exactly included in the kit.  It may be broken into different packages to meet the demands of the diverse customer base.

At minimum it will include polyurethane engine mounts, transmission mount, headers, driveshaft and a custom oil pan as this allows the engine to further down which effectively lowers the center of gravity of the car.  Additionally, the pan has a better design than the OEM pan which eliminates oil starvation commonly found with GTO's, has a more oil capacity, allows the addition of an oil cooler with ease and you don't have to beat your transmission tunnel to make the large T56 transmission fit.

I will be testing the kit and when it is released I'll announce it on my blog.  If you want to be notified right away then you may subscribe to my RSS feeds.