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WTB 3.89 diffy /rearend for my "67

philt

Donation Time
Hello,
I am likely the oldest newby recently. Owned a SIV about 2005 then a Tiger and recently a S5.
Looking to reduce the rpms for the occasional highway travel. Had a 5 speed in the previous Alpine but was not my work. So as I find the needed T5 tranny , bell housing and clutch...a diffy change from the 4.22 to a 3.89 maybe the first change.
Anyone have or can direct me to a later 3.89 diffy or whole rear-end? Needs to match the latter fine spline
axles.
thanks for the guidance.
Phil in Nashville
 
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