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Advance Adapters GM SM420 Transmission To Dana 18/20 Transfer Case Adapter – 50-2400

Advance Adapters
Availability:

Out of stock


  • Advance Adapters | Part Number: ADV50-2400
  • Fitment:Universal Fit

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Description

This adapter kit includes a new SM420 output shaft!! Our GM SM420 adapter to the Dana 18 / 20 is 4.50″ in length. The adapter material is 356 T-6 heat treated aluminum alloy, and the adapter has a provision for a transmission mount. Our kit will include a adapter housing, new transmission main shaft, mount block, gaskets, seal, nylon lock nut, and adapter instructions. This adapter assembly will fit any Dana Spicer 18 / 20, Scout version with a 6 tooth female drive gear. The transfer case index to the new adapter will require an index retainer & sealed bearing. Please I.D. the transfer case bore size (3-1/8″) small hole or (4″) large hole for proper retainer. Additional information can be obtained in our on-line catalog, Jeep & Scout Vehicle Section: Transfer Case Information, Jeeps 1941-79. The kit is designed for exclusive use with the GM SM420 4 speed transmission. The SM420 was used in GM trucks 1947 to 1968 and has a 10 spline output shaft and was used in both 2wd and divorced 4wd applications. Required Options ADV716001 Large Hole Retainer or ADV716002 Small Hole Retainer, ADV716302 Sealed Bearing

  • Advance Adapters | Part Number: ADV50-2400
  • Fitment:Universal Fit

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