Muncie M22 M21 M20 Auto Gear 18-171-002 Lightened 32 Spline Mainshaft Gm 3978759
Price:
$ 200
- Condition: New
Seller notes
Genuine Auto Gear "BRAND NEW" Lightened 32 Spline Gundrilled Mainshaft 18-171-002 Manufactured from "Pre-Covid" Steel Stock When Good Material Was Available. These mainshafts are old stock from my personal inventory that I used to build my new M22 & M23 style 4 speeds. These mainshafts are gundrilled 7-3/4" deep from the front bearing land to the 1st gear land, see my pictures. You can use these lightened gundrilled mainshafts with any stock original Muncie 4 speed by using the correct 32 spline...
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