you guys have most likley seen this before but here it goes

http://autospeed.drive.com.au/cms/A_1437/article.html

has some info about 3rd gens and tips on what ralliart parts can be swaped straight over for some extra killawatts

Well, without going through the hassle of modifying the heads and changing the pistons, Rod says it's easy to pick up power just by slipping in the Ralliart cams into any of the 3.5-litre V6s.

Note that the TJ Sport/VR-X's low restriction rear muffler is a prerequisite if you want decent exhaust flow.

During the development stages, Rod says they whacked a pair of the Ralliart camshafts into an otherwise stock TJ Sport and picked up around 5kW. The standard (non-nitrided) valve springs gave no trouble despite vigorous testing.

You can easily add the Ralliart extractors and front pipe as well. This, together with the camshafts, should give approximately 7kW total over the standard TJ Sport/VR-X - 170kW.

So for the price of Ralliart cams and extractors plus installation you can get an extra 7kw for your Sport/VR-X? Doesn't seem worthwhile to me. Unless the cams and extractors are relatively inexpensive? I'm not trying to be a prick here, just my opinion on the article.