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Advance Adapters Transmission & Drivetrain Parts

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...

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 swap. Summit Racing carries trail-tested Advance Adapters products, like low-gear transfer cases, twin-stick shifters, and Jeep crossmembers and adapters.

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Individual Parts

Results 1 - 6 of 6

AX15 TO 4CYL TJ NP231 TC EXTERNAL SLAVE

Part Number: ADD-27-AX15E

Not Yet Reviewed

Estimated Ship Date: May 28, 2026 if ordered today

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Estimated Ship Date: May 28, 2026 if ordered today

Adapter Kit, AX15 Manual Transmission, Dana 20 Transfer Case, Bronco, Kit

Part Number: ADD-27-3520AX15

Not Yet Reviewed

Estimated Ship Date: Jun 9, 2026 if ordered today

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Estimated Ship Date: Jun 9, 2026 if ordered today

AX15 TO 4CYL YJ NP231 TC EXTERNAL SLAVE

Part Number: ADD-27-AX15C

Not Yet Reviewed

Estimated Ship Date: May 28, 2026 if ordered today

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Estimated Ship Date: May 28, 2026 if ordered today

AX15 TO 4CYL YJ NP231 TC INTERNAL RELEASE

Part Number: ADD-27-AX15B

Not Yet Reviewed

Estimated Ship Date: May 28, 2026 if ordered today

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Estimated Ship Date: May 28, 2026 if ordered today

AX15 TO 4CYL YJ LATE MODEL NP231 TC EXTERNAL SLAVE

Part Number: ADD-27-AX15D

Not Yet Reviewed

Estimated Ship Date: May 28, 2026 if ordered today

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Estimated Ship Date: May 28, 2026 if ordered today

Transmission, AX15, Manual, 5-speed, 1.125 in. - 10-spline Input, Aluminum Case, Ford, 4WD, Each

Part Number: ADD-27-3525

Not Yet Reviewed

Estimated Ship Date: May 28, 2026 if ordered today

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Estimated Ship Date: May 28, 2026 if ordered today

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