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    2. Advance Adapter GM Transmission to Transfer Case Adapter
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    Advance Adapters GM 4L60E Transmission 4WDTo NP231 Transfer Case Adapter - 50-0434

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    Specifications

    PRODUCT OVERVIEW

    The 4L60E hex bolt adapter to the Jeep New Process NP231 transfer case is 4.00 in length. And the overall length of the transmission and adapter is 25.875 inch. Adapter material is 356 T-6 heat treated aluminum alloy. The adapter has a provision our H.D. transmission mount. The adapter kit includes a 2 piece adapter housing, Jeep NP231 input gear that is 27 splines , GM VSS sensor, reluctor ring, O-ring, gasket, fastening hardware, and adapter instructions. Transfer Case: Jeep NP231 (21 spline) [AX5], Jeep NP231 (21 spline) [Peugeot], Jeep NP231 (23 spline) [AX15] and Jeep NP231 (23 spline) [NV3550 and TF999]. Transmission: GM 4L60E Late Model (1997-2007).

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    Question & Answers

    1 Answered question

    Q: i have a pristine 1978 gmc jimmy high sierra 4x4 with a 3:40 posi gear ratio350 motor and 3 speed auto trans.my question is i have a gm 4l60e trans out of my 2002 ram air ta that id like to put into my jimmy with the stock motor and tranfer case do you have a kit in order for me to do this? i dont off road the truck only has 50k original miles and has been in storage for the past 14 yrs.more of a show truk and drive when its nice out,any help would be greatly appreciated. joe lufkin from buffalo n.y. Answer this question

    A: Hello Yes there is a new output shaft that will adapt the 4l60e trans to the 203 case. The adapter between the 305 and 203 transfer case is the same for the 4l60e. Here is the correct part number you need. ADV 50-6900 the kit runs 162.99 Thanks

    Answered by Rody on 04/09/2015

    Manufacturer

    Advance Adapters got its start in Downey, California in 1971 with a single adapter mating a Muncie car 4-speed to a Jeep Dana 18 transfer case. Eventually headers, overdrives, motor mounts and linkage brackets were added to the offerings to complement their core adapter components. When interest in rock crawling spiked in the mid-1990s, Advance Adapters offered low ratio transmission swaps then switched gears into the ultra-low gear transfer case arena. Today, the company is based in Paso Robles, California and their engine and transmission conversions for Jeeps are in kit form and sold as individual components. Shop Advance Adapters Now

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