PART NO.  SPL.PAGE  DESCRIPTION                                                           
1H3092    15.F.3    Interlock arm complete -(gearbox, 1500)
1H3092    16.F.2    Arm assembly -interlocking -(gearbox, 1600 and 1600-MK-II)-
    changed to 22H35 Com.(G)22729
1H3092    TC.F.3    Interlock arm complete -(gearbox, Twin Cam) -changed to 22H35
1H3093    15.F.3    Support plate for interlock arm (gearbox)
1H3093    TC.F.3    Support plate -(interlock.arm, gearbox, Twin Cam) -changed to 22H35

Interlock Arm for MG ZA and ZB Magnette, all MGA, MGB early with 3-synchronizer gearbox (thru 1967), and many other models using the Austin B-Series gearbox.


Notice in the first picture the rivet has been reset to be tight, and welded so it can't get loose.

Photos compliments of Nathan and Bob Dart in Clovis, New Mexico, USA.

See also:
CSM - MG/269
GT-203C
GT-203G