Quote:
Originally Posted by trailcarnage
MY6 is a 1.125"x10T while the T56 is a 26T spline. A bonus is that they share the same pilot bearing part number.
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When I swapped out the SM420 original 4 speed for this transmission, I was able to bolt the MY6 to the bell housing in place of the original 4 speed without any problems or modifications.
My existing clutch off the old sm420 fit perfectly and was practically new so all I did was install a new pilot bushing (Identical as the original) and install a new throw-out bearing (identical as the original as well).
This is a very simple swap...