£247.50 exc vat
£297.00 inc vat
In stock
Not for LSD see C-BTA1250.
£247.50 exc vat
£297.00 inc vat
In stockRecommended usage 1 x C-BTA1001EVO to fit one mini.
"USED" secondhand crownwheel and pinion 3.647 ratio "A" plus teeth. 17x62 teeth
Sold as seen,some with inner part of bearing still on crownwheel (if they come off without using a puller tool it usually means they have spun, ruining the seati...
Fits all minis except Autos and those with hardy spicer joints. It has the detent lug on for rod change R/H side. Sold singly.
These might be marked as 22G420 on the casting but they have the correct size bush and seal hole for...
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<...
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...
This is the original Evolution"Cross-pin" differential for the Mini.
Produced and sold by Mini Spares since 1994. It is a super heavy duty differential designed as a significant upgrade for reliability and strength to the standard units. Ove...
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...
All differential crownwheels used these locktabs. 3 required and if you need new bolts see ATA7043 (6 of.) All sold singly
Genuine Rover are now 48 thou thick which is so tight they can lock up your differential. The originals were .035 thou. These are machined down to be exactly the correct size required but we also stock oversize 43 thou type which are available as [li...
See DAM3108 also for smaller diff shims. Refer to workshop manual for fitment.
The latest model Mini differential still use thrust washers on the spider gears but now have a tab on one end to prevent them from rotating on the cage side of the diff. The cage of course is cast while the gear itself is much harder and thus the wh...
Fits all minis except Autos and those with hardy spicer joints, has no lug on as required for rod change L/H side. Sold singly.
The Mini transmission output side cover is notorious for leaking oil, but replacing the seal doesn't help for lon...
Competition quality replacement diff pin with anti wear MOLYBDENUM coating for planet wheel surfaces and still cheaper than a standard Rover pin. Recommended for all differential rebuilds.Pay special attention to the condition of the planet wheels wh...
Upgraded Viton version of ADU5738. Drive shaft oil seal or diff output shaft oil seal for all Mini's except Cooper S and early Automatics. 2 required per gearbox.
Straight cut drop gears are the most durable arrangment that can be fitted to a transverse A-series powerunit. These 3 gears are responsible for transferring all the Hp from the motor to the gearbox, so their longevity should be a top priority for an...
Straight cut teeth broach gear for the 1st motion shaft which runs with the straight cut idler and primary gear combinations. This has 23 teeth and one identification ring on actual teeth.
Achievable drop gear ratios ...
Evolution Straight cut 24 tooth 1275 primary gear.
Evolution Straight cut 23 tooth 1275 primary gear.
Ongoing development and investment of bringing parts up to date from yesturyear with current technology Mini Spares h...
Evolution Straight cut 23 tooth 1275 primary gear.
Ongoing development and investment of bringing parts up to date from yesturyear with current technology Mini Spares have introduced new EVO straight cut drop gears. With new 2 r...
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