FULLY FLOATING 998 PRIMARY GEAR CONVERSION BUSH
C-AEA3239

£17.28 exc vat

£20.74 inc vat

In stockIn stock
Fully floating primary gear bush to downsize from our 1275cc type to 998 size on our 1275 primary gears with circlip conversion only to fit small bore crankshafts. Mainly used for our straight cut primary gear with circlip to hold fully floating bush 44.40mm/44.38mm outside diameter and 38.18/38 inside diameter, 19.85mm long- can be used on C-22G1053 or A plus primary gears we manufacture. If this bush was used for race/performance use one extra thou clearance is recommended

£17.28 exc vat

£20.74 inc vat

In stockIn stock

Recommended usage 1 x C-AEA3239 to fit one mini.

People also bought products

Idler gear conversion for straight cut drop gearsets only.

This set up is for A plus idler gearbox cases only and uses a single roller bearing centrally unlike the old timken conversion which had taper bearings either end.

24 tooth primary gear bush for small bore applications, with floating bush

S/C 23 tooth primary gear, with floating inner bush

Evolution Straight cut 24 tooth input gear. Usually has 2 identification rings on gear teeth.





Achievable drop gear ratios when using our Evolution gears:



22 tooth primary - 30 tooth idler - 25 too...

STRAIGHT CUT 1ST GEAR FOR 4 SYNC SPECIAL TUNING GEARSET.



See table of "Straight Cut Gear Kits" and their components

Straight cut gearset for A+ gearbox's using the standard 1st and reverse gear. UK made -The ultimate for TUNED street cars or clubman events giving nearly the same close ratios as the original 3 synchro straight cut gear set.

Using latest g...

A Plus 2nd gears are marked with a single identification groove.

If you are about to undertake a gearbox strip down and you are using an old Haynes manual beware. When locking the gearbox into 2 gears to undo the large mainshaft and 1st moti...

Primary gear as fitted to all 850/998/1100 from 1965 on, now fitted with a floating bush. For Cooper S and 1275 engines pre A plus primary gear see 22G1053 - end float clearance is 0035-.0065.

24 teeth

The original adjuster bolt is very expensive, this kit has been made in stainless steel for longevity and includes all 3 parts for adjusting the fanbelt tension on mpi cars at a fraction of the price of the OEM setup.

Set of standard size 998 thrust washers.

Victor Reinz/Mahle small bore head gasket for A-series engines.



Gasket fitment. Writing side up.

:Used: (secondhand) 5 tooth drive spindle mainly used on Metro range but includes ERA turbo mini with 3.2 final drive using 16 tooth plastic pinion.

Obsolete new but offered "used" in case a ratio change is required. The only drive spindle ...

For all rod change gearbox mechanism housings, this as un uprated poly bush replacement for the standard rubber bonded mount

This kit of head studs is the best available for road and lightly tuned engines. See the C-AHT280 set for highly tuned engines.

The material spec is alloy steel heat treated to 75 tensile tons per square foot minimum and finish...

You should replace the camshaft bearings every time the block goes to the machine shop. These bearings fit all late model 1275cc blocks (the ones without tappet covers on the back) It's almost too simple and thus often overlooked during a rebuild. Ca...

Set of +0.003" size 1275 crank thrust washers.

Genuine Rover spacer that fits up against the primary gear on the crankshaft and held on by the "C" washer 22A319 - both these parts wear as well as the gear.

Mini Spares also produce a ring 2 thou thicker 88G549 to...

Mini Spares best quality complete gasket and seal kit for engine block and gearbox,for all common engine types and sizes.



Also comes complete with Mini Spares Evolution clutch oil seal 13H2934MS, differential oil seals...

For our new drop gears where the front bush is held in by a circlip. Not for A Plus OR old straight cut type (this is NOT the top hat type rear bush).

19.85mm long- For use on the stepped type 1275cc type cranks this bush is fully floating a...

For those very early 25D type distributors.Mini Spares version for modern fuels as fitted to our distributor range with slide on vaccum hose inlet pipe-not the very first screw in type