IDLER GEAR WITH ROLLER BEARING CONVERSION A PLUS
C-STR31AEVO

£124.80 exc vat

£149.76 inc vat

In stockIn stock
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.These gears are ba...

£124.80 exc vat

£149.76 inc vat

In stockIn stock

Recommended usage 1 x C-STR31AEVO to fit one mini.

People also bought products

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

2 ring identification and must be used with othe EVO components for drop gears.

Evolution Straight cut 25 tooth input/broach gear.

These gears are banded with 2 rings for identification.

Do not mix and match with other gears that have same teeth counts unless they have the same 2 identification bands

...

Evolution Straight cut 24 tooth input gear.

These gears are banded with 2 rings for identification.

Do not mix and match with other gears that have same teeth counts unless they have the same 2 identification bands


...

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 22 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 ...

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...

Evolution Straight cut 25 tooth input/broach gear. Usually has one large marking ring on flange.





Achievable drop gear ratios when using our Evolution gears:



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

This kit is the latest specification of Swiftunes extremely successful Dog Engagement Gear Kit. The kit is now manufactured from aircraft grade material and has additional layshaft support under third gear.



Originally launched in 2...

Minispares were the first company to produce these layshafts for performance engine/gearboxes as the standard type would flex and resullt in the breakage of the bearings causing seizure. Produced in an upgraded material and heat treated to the correc...

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.

Kit which enables you to fit a rod change gearbox to an earlier round tunnel.

Complete bolt kit to bolt the transfer case and clutch cover onto the engine block.

Quick release rod change gear coupling a direct replacement for the standard item, doing away with the troublesome roll pins. It comes complete with high quality quick release clips

Originally developed by Rover to cut down on warranty hourly costs on powertrain warranty repairs, by their main dealers.-Labour time allowed at Rover dealers for fitting this seal was 3.4 hours labour rate.

This is a special rigid seal and ...

New Minispares Evolution straight cut crownwheel and pinion set 3.875. 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.16x62 teeth count

Always Check...

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<...

Used on all mainshafts with 14mm shaft end for the 1st motion shaft---when they went to the 18mm shaft on A plus gearboxes they used DAM7485 which is metric thread.

Minispares own Evolution limited slip diff with over 10 years success General spec and design is the same as C-AJJ3387 but has a 55/90 ramp type. The steeper 55 degree acceleration ramp reduces the percentage of torque biased to the ...