One of the final pieces of his Wrangler build puzzle was upgrading from the stock Jeep NP231 T-case to an Advance Adapters four-speed Atlas. It was a huge improvement in strength, functionality ...

Advance Adapters Jeep Wrangler Rubicrawler Kit - Double Down. Having Your Crawl And High-Speed Too On An '03-'09 Wrangler. John Cappa Writer David Hamilton Photographer Jan 01, 2010.

A boxy bruiser with a blown heart, this 1991 Jeep Grand Wagoneer packs 707 reasons to forget the original’s 144-HP wheeze.

The final important mechanical change made by Vigilante is a new Advanced Adapter Atlas II transfer case. Custom 17×9-inch wheels made from billet aluminum have also been fitted.