23 TOOTH STRAIGHT CUT PRIMARY GEAR
C-STR123EVO

£125.76 exc vat

£150.91 inc vat

In stockIn stock
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...

£125.76 exc vat

£150.91 inc vat

In stockIn stock

Recommended usage 1 x C-STR123EVO to fit one mini.

Recommended products

Introduced for competition engines where the increased rev limits or temperature can cause the LUF10005 or 13H2934 to leak, this fits all minis except automatic. This is Mini Spares copy of the original gaco seal and is iden...

Kit contained products

This is the top hat bush for all primary gears and is now silicon based to help lubrication of this dry running bush. Used in all our primary gears.

For Cooper S or pre A plus 1275 type primary gears we also have a a replacement front bush i...

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.These gears are ba...

Idler gear conversion for straight cut drop gearsets only. This set up is for Pre A plus idler gearbox cases only and uses a roller bearing centrally unlike the old timken conversion which had taper bearings either end.



Evolut...

S/C 30 tooth idler gear for A+ boxes using the 7/8" shaft.



Evolution Straight cut 23 tooth 1275 primary gear.



Ongoing development and investment of bringing parts up to date from yesturyear with current tec...

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...

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 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 ...

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 ...

UK made straight cut A PLUS gear kit includes 1ST,2nd,3rd gear,1st motion shaft,reverse gear and laygear for Rod change. Please order genuine C-22A1741 baulk rings when fitting this gear kit or if using your own please make sure they do not rock on ...

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...

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



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

STRAIGHT CUT FIRST MOTION GEAR FOR A+ GEARSET ORIGINAL ST RATIO

19 teeth



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

STRAIGHT CUT 1st MOTION SHAFT 19 teeth

STRAIGHT CUT FIRST MOTION GEAR FOR PRE A+ GEARSET

19 teeth



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

GEAR REVERSE STRAIGHT CUT FOR ROD CHANGE ONLY

Straight cut reverse gear for rod change box. Has 16 and 18 teeth.



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

LAYSHAFT 4 SYNC COMP HIGRADE ( PRE 3 STEP . PRE A ...

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

GEAR STRAIGHT CUT LAYGEAR 4 SYNCROMESH PRE A PLUS ...

In 4 synchro gearbox it's a critical part of the close ratio gear set. Be sure to check your old one for wear on the inner surface of the layshaft bearings; it wears out far faster than the gear teeth! Pre A+.For A Plus see C-22A1737A 15...

CLUBMAN STRAIGHT CUT GEAR SET EVOLUTION A PLUS TYP...

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...