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Advance Adapters

As always Advance Adapters Inc., is your home for transmission conversion adapters, transfer case conversion adapters, engine mounts, transfer cases and more.

Please contact us at 800-350-2223 for questions; our experienced staff will be more than happy to assist you.

Our Products

The popular Atlas Transfer Cases, innovative Rubicrawler and our revolutionary shifter upgrades, only scratch the surface of our deep commitment to the Four Wheel Drive industry.

We strive to be your first, and best, resource when considering your conversion, adaptation or upgrade.

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Most Popular Products

NP231-SYE : New Process 231J Fixed Yoke Kit (50-7906 , 50-7907) NP231-SYE

New Process 231J Fixed Yoke Kit (50-7906 , 50-7907)

Starting At $199.00
Atlas2 : Atlas 2 Speed Transfer Case Atlas2

Atlas 2 Speed Transfer Case

Starting At $2,360.85
Atlas4 : Atlas 4 Speed Transfer Case Atlas4

Atlas 4 Speed Transfer Case

Starting At $3,222.00
Rubi-Crawler : Rubi-Crawler Auxillary Crawl Box For 42RLE Transmission Rubi-Crawler

Rubi-Crawler Auxillary Crawl Box For 42RLE Transmission

Starting At $1,695.00
CP-YJ0X : Jeep YJ Wrangler 1987 - 1996 ,Chevy V8 / 4.3 V6 Conversion Package , Retaining the Stock Jeep 5 Speed Transmission. CP-YJ0X

Jeep YJ Wrangler 1987 - 1996 ,Chevy V8 Conversion Package , Retaining the Stock Jeep 5 Speed Transmission. Package not for LS engines.

Starting At $1,359.00