MGA Part Numbers

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MGA Part Numbers - 8G2259
Connecting Rod Bearing Set (Twin Cam)

PART NO.  SPL.PAGE  DESCRIPTION                                                                   
8G2137    15.A.3    Bearing for connecting rod (standard) (set) [Fin (E) GD6529]
8G2259    TC.A.6    Bearing for connecting rod -big end (standard) (set) -(crankshaft,
    Twin Cam)
8G2285    15.A.3    Bearing for connecting rod (standard) (set) [Com (E) GD6530]
8G2285     sup.3    Bearing -connecing rod -standard (1 set) -(con.rods, engine unit, sup)
8G2285    16.A.3    Bearing -con.rod -big-end (std) (1 set) -(con.rods, eng.unit, 1600)
8G2285    16.A.24   Bearing -con.rod -big-end (std) (1 set) -(con.rods, eng.unit, 1622)

One set of connecting rod big end bearing half shells (8-pcs) for Austin B-Series engines.
8G21371 main bearing set

 Undersize Rod Bearing Shells:
PART NO.  SPL.PAGE  DESCRIPTION                                                                   
8G213710  15.A.13   Bearing set -connecting rod -.010 U/S -Fin (E) GB3510
8G213720  15.A.13   Bearing set -connecting rod -.020 U/S -Fin (E) GB3510
8G213730  15.A.13   Bearing set -connecting rod -.030 U/S -Fin (E) GB3510
8G213740  15.A.13   Bearing set -connecting rod -.040 U/S -Fin (E) GB3510
8G228510   sup.3    Bearing -con.rod .010" (.254mm) U/S (1 set) -(con.rods, eng.unit, sup)
8G228510  16.A.3    Bearing -con.rod -big-end .010" (.254mm) U/S (1 set) -(eng.unit, 1600)
8G228510  16.A.24   Bearing -con.rod -big-end .010" (.254mm) U/S (1 set) -(eng.unit, 1622)
8G228520   sup.3    Bearing -con.rod .020" (.508mm) U/S (1 set) -(con.rods, eng.unit, sup)
8G228520  16.A.3    Bearing -con.rod -big-end .020" (.508mm) U/S (1 set) -(eng.unit, 1600)
8G228520  16.A.24   Bearing -con.rod -big-end .020" (.508mm) U/S (1 set) -(eng.unit, 1622)
8G228530   sup.3    Bearing -con.rod .030" (.760mm) U/S (1 set) -(con.rods, eng.unit, sup)
8G228530  16.A.3    Bearing -con.rod -big-end .030" (.762mm) U/S (1 set) -(eng.unit, 1600)
8G228530  16.A.23   Bearing -con.rod -big-end .030" (.762mm) U/S (1 set) -(eng.unit, 1622)
8G228540   sup.3    Bearing -con.rod .040" (1.016mm)U/S (1 set) -(con.rods, eng.unit, sup)
8G228540  16.A.3    Bearing -con.rod -big-end .040" (1.016mm)U/S (1 set) -(eng.unit, 1600)
8G228540  16.A.23   Bearing -con.rod -big-end .040" (1.016mm)U/S (1 set) -(eng.unit, 1622)

Note: Service Parts Lists Ver.2 andVer.3 for MGA Twin Cam do not list undersize bearings for con-rods. If they did exist, they might be numbers like: 8G225910, 8G225920, 8G225930, 8G225940