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Old 06-14-2018, 03:27 AM   #1
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kitsbeach's Avatar
Join Date: May 2014
Location: Vancouver, BC
Posts: 417
GM Muncie SM420 Transmission 2WD or 4WD


$300 CAD OBO (I have no idea what it is worth try your offer).

I have this SM420 transmission I pulled from my 67 chevy truck (I went back to three-on-the-tree).

This is the bull-low granny 1st gear 4 speed transmission offered by GM from 1947 to 1967. This one is the 1964-1967 version.

According to Novak Adapters, the SM420 was offered in both 2wd and 4wd vehicles. The transmission was always used with a divorced transfer case so essentially all SM420 transmissions were 2wd drive.

More info here in this link:

Ran perfect in my truck, I just didn't need the bull low and wanted to go back to three-on-the-tree for nostalgia reasons.

Let me know if you are interested.


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Kitsbeach (Ken)

1967 C10 LWB Fleetside 6cyl Saginaw three-on-the-tree "No Frills"

Last edited by kitsbeach; 06-14-2018 at 03:47 PM. Reason: Forgot price
kitsbeach is offline   Reply With Quote


4 speed, muncie, sm420, sm465

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