SWIFTUNE CLASSIC MINI QUAIFE ATB DIFFERENTIAL
C-AJJ3390

£679.00 exc vat

£814.80 inc vat

In stockIn stock
The Swiftune classic Mini Quaife ATB Automatic Torque Biasing differential offers the benefits of an LSD limited slip differential but saving you money on crownwheels and pinion plus output shafts!!

The Swiftune Quaife ATB avoids the need fo...

£679.00 exc vat

£814.80 inc vat

In stockIn stock

Recommended usage 1 x C-AJJ3390 to fit one mini.

Kit products

Mini Spares Close ratio Evolution five speed "A" Plus Rod-change helical cut teeth gearbox has been in production since 1993 with phenomenal proven reliability. Do not use a quick shift gear lever with this gearbox

Suitable for 1275-1380cc(e...

New for 2023, special heavy duty 2nd and 3rd gears with laygear and 1st motion to match giving a quiet road box suitable for engines producing upto 125lbft of torque on naturally aspirated engines.



Ratios are:



1s...

New for 2023, special heavy duty 2nd and 3rd gears with laygear and 1st motion to match giving a quiet road box suitable for engines producing upto 125lbft of torque on naturally aspirated engines.



Ratios are:



1s...

New for 2023, special heavy duty 2nd and 3rd gears with laygear and 1st motion to match giving a quiet road box suitable for engines producing upto 125lbft of torque on naturally aspirated engines.



Ratios are:



1s...

New for 2023, special heavy duty 2nd and 3rd gears with laygear and 1st motion to match giving a quiet road box suitable for engines producing upto 125lbft of torque on naturally aspirated engines.



Ratios are:



1s...

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Hardy Spicer Adapters to convert pot joint output shafts to fit a hardy spice coupling (will also fit the Quaife ATB)

New Minispares Evolution straight cut crownwheel and pinion set 4.066. The crownwheel in these kits has a 20% wider gear than previously supplied, and a pinion made from Aero quality steel making it 20% tougher.15x61 teeth count

New Minispares Evolution straight cut crownwheel and pinion set 3.75. The crownwheel in these kits has a 20% wider gear than previously supplied, and a pinion made from Aero quality steel making it 20% tougher.16x60 teeth count.

THIS IS THE ...

Genuine Rover fibre type are now 48 thou thick which is so tight it will probably lock your diff up, they used to originally be .035 thou. These are 43 thou oversize type for worn units but the correct size of 35 thou is available as BTA101<...

61 tooth crownwheel and 19 tooth pinion (pinion is also used on 3-1 final drive)

A plus gears giving 3.211 ratio.

A plus crownwheel and pinion with 59 teeth and 19 teeth respectively=3.105

59 tooth crownwheel plus 20 tooth pinion making 2.95 ratio. A plus gears sold as a set only.

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USED pairing 64 tooth crownwheel and a 17 tooth pinion for 3.76 original mini final drive ratio of 3.76

Genuine RHP as originally fitted to every production Mini.

Two of these main diff carrying bearings are required in the gearbox and this new steel caged type fits either way round. Should be pre loaded by 1-2 thou.

Some original fi...

The bronze washer for the planet gears in the differential for pre A plus gearbxes. You can use the DAM5071 and cut the lips off.

Hardy-Spicer coupling was fitted to the Cooper "S" and all automatic varieties pre Pot joint(inboard cv joint) This U-joint assembly slides onto the driveshaft and bolts to the Cooper S output shaft flange. The U joint fitted to these joints is the s...

A bronze type bush that fits in the gearbox output shaft side cover on early automatics and Cooper S with hardy spicer type joints. These are larger than the standard mini or rod change engine gearbox types which take 2A3538.

Stronger PRE a PLUS with 62 tooth crownwheel plus the 18 tooth pinion making a 3.444 diff ratio as used on Cooper S, plus many 998cc cars from 1970 on.

Planet gears for the differential are now manufactured by us as the genuine Rover product is obsolete. Beware of others on the market which must be checked before fitting as the overall dimensions in height seem to vary along with inferior/wrong mate...

You will need to shim up your diff bearings with these washers as required. See workshop manuals for details. See also DAM3109 & DAM3633.

The gearbox diff side plate bonze colour bush for all except auto and cooper S with hardy spicer output shafts. Sold singly 2 required per gearbox.

clearance needs to be 0.03mm

This is an aftermarket high tensile shouldered bolt that engine and gearbox tuners are using, as the original shape head and high tensile type bolt is no longer available. For holding the crown wheel to the differential housing.

Sold individ...