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Full rebuild kit with diferential parts with competition layshaft.

This is a full kit of bearings except the rollers under 1st/2nd and 3rd gear which often do not get checked(available as AAU1815-AAU1816)-Complete set of gaskets and seals for rebuild and fitting back to engine-baulk rings and new performance layshaft plus a diff pin with new fitting washers.

With an idler gear bearing for case this kit is for A plus Rod change gearbox only with 18mm (11/16") thick mainshaft bearing where Ist motion shaft fits.

FOR STRAIGHT CUT GEARS (or layshafts with 3 bearings) USE MSG24 WHICH DOES NOT INCLUDE DIFF PARTS AS MOST OWNERS WOULD USE A CROSS PIN DIFF OR LSD

Please note: As this is a gearbox kit it only includes one idler gear bearing-if you require another for the clutch case remember to order another.

Whilst rebuilding it is good sense to upgrade to a competition oil pick up pipe C-AHT54 to stop oil surge and debris.
Austin Mini 4-synchro Gearbox Rebuild Kit A+, Plus Diff

Austin Mini 4-synchro Gearbox Rebuild Kit A+, Plus Diff

Austin Mini 4-synchro Gearbox Rebuild Kit A+, Plus Diff
Part No: MSG23
$590.95
Qty:
Fits the following:
Classic Mini
Full rebuild kit with diferential parts with competition layshaft.

This is a full kit of bearings except the rollers under 1st/2nd and 3rd gear which often do not get checked(available as AAU1815-AAU1816)-Complete set of gaskets and seals for rebuild and fitting back to engine-baulk rings and new performance layshaft plus a diff pin with new fitting washers.

With an idler gear bearing for case this kit is for A plus Rod change gearbox only with 18mm (11/16") thick mainshaft bearing where Ist motion shaft fits.

FOR STRAIGHT CUT GEARS (or layshafts with 3 bearings) USE MSG24 WHICH DOES NOT INCLUDE DIFF PARTS AS MOST OWNERS WOULD USE A CROSS PIN DIFF OR LSD

Please note: As this is a gearbox kit it only includes one idler gear bearing-if you require another for the clutch case remember to order another.

Whilst rebuilding it is good sense to upgrade to a competition oil pick up pipe C-AHT54 to stop oil surge and debris.
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Related Technical Articles:
Classic Mini Cooper Transmission Bearings page 44
Created: December 21, 2018
View the selection of Gearbox gearing for the Classic Mini Cooper from the Mania Catalog as a PDF. Find a Part No. in the catalog. Type or copy/paste it into the search box to find it on the website.