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Advance Adapters Transmission & Drivetrain Parts

Swapping around engines and transmissions is easier with tough, dependable components from Advance Adapters. The company started in 1971 with a single adapter, mating...

Swapping around engines and transmissions is easier with tough, dependable components from Advance Adapters. The company started in 1971 with a single adapter, mating a Muncie car 4-speed to a Jeep Dana 18 transfer case. Today, that selection has grown to keep pace with the popularity of off-roading and rock crawling, with parts like the NP231 SYE (slip yoke eliminator), adapter bellhousings, conversion clutches, and output shafts. Advance Adapters engineers motor mount kits and headers to support a wide variety of popular engine swaps, plus components like oils pans, radiators, and filter relocation kits to finish your...

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Advance Adapters NP231 Slip Yoke Eliminator Kits

The Jeep NP231 is one of the most popular transfer cases, but it creates an extremely short rear driveshaft. These fixed yoke kits from Advance Adapters add 3 to 4 in. to the rear driveline length on a YJ, and up to 6 in. on a TJ. This results in a better driveshaft angle, eliminated driveline vibrations, and a transfer case that's ideal for trail use.

4.81 out of 5 stars ( 62 )

$258.76

Advance Adapters NP231 Fixed Yoke Kits

Advance Adapters NP231 fixed yoke kits feature a new 1 3/8 in. - 32 spline rear output shaft, 356-T6 heat-treated aluminum alloy tail housing, bearings, fastening hardware, and detailed instructions. NOTE: At the time of order you have to purchase a yoke separate. Please choose one of the following: * 716295 1310 non-CV yoke * 300472 1350 non-CV yoke * Flange-style yoke are available at an additional cost

4.25 out of 5 stars ( 4 )

$241.19

Advance Adapters NP231 Standalone Transfer Case Shifter Brackets

Retro-fitting a transmission or adding a body lift can cause misalignment of your shifter. Advance Adapters NP231 standalone transfer case shifter brackets resolve this issue, and when used with the factory Jeep skid plate, there is no welding or cutting as with other aftermarket kits. Advanced Adapters brackets eliminate the body type mount found in the Jeep TJ. Designed smarter than the factory shifter, they get a precise fit and smoother shifts.

4.91 out of 5 stars ( 11 )

$39.06

Advance Adapters Jeep Crossmember Mount Kits

You'll need an Advanced Adapters Jeep crossmember mount kit when using one of their transfer case adapters. Unlike other company-designed mounts using a soft car type rubber cushion, Advanced mounts are designed with the weight of the transfer case in mind. These Jeep Wrangler crossmember mount kits support heavier loads and easily adapt to the existing skid plate location.

Not Yet Reviewed

$76.56

Advance Adapters Transfer Case Gaskets

Advance Adapters offers replacement gaskets for their transfer case adapters on Jeep NP231 and GM transfer cases. The seals are crafted from durable materials, such as cork, and are designed for a direct-fit.

4.0 out of 5 stars ( 1 )

$2.96

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$5.99

Advance Adapters Transfer Case Adapters

Advance Adapters transfer case adapters will save you a lot of time and headaches. They allow you to retain the stock location of your transfer case for a quicker, easier transmission swap. The adapters are made from high-quality materials for excellent durability.

4.56 out of 5 stars ( 95 )

$573.62

Advance Adapters Transfer Case Fasteners

Advance Adapters offers a variety of individual fasteners for transfer cases. No need to search for the correct mounting hardware to finish your transfer case replacement. OEM-grade fasteners are necessary, because many locknuts are single-use and must be replaced when they're removed. Order the size needed for your application.

Not Yet Reviewed

$6.16

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