£1.89 exc vat
£2.27 inc vat
In stock
These are no longer required when using our C-AEA526 and C-AEA527 range of silicone wire springs which are a slight interferance fit and friction damped.
Our springs have been successfully used in road and race for many years.
Originally the bottom inner spring location collars were used with all dual springs to prevent breakage caused by the inner spring wandering at high RPM
but modern day spring technology has overcome that.
£1.89 exc vat
£2.27 inc vat
In stockRecommended usage 8 x AEA403 to fit one mini.
Competition inner valve spring locator, lower as desigend by Leyland ST.
It is essential to use bottom inner spring locating collars with all dual springs EXCEPT Minispares C-AEA526/7 springs to prevent breakage caused by the inner spring wa...
New competition valve cotter for early heads with the large single groove valve, these are precision CNC machined from 4340 and heat treated to a better spec than EN24T and claimed to be stronger in fatigue life.
These locate better in the v...
Spring seat shims (set of 4), 0.020" thick (0.5mm).
Spacer shims to increase valve seat pressure and overall spring rate.
These were also used on all the 8 port head valve seats to prtect the alloy seats from wear. (8 port now C-AHT...
Spring seat shims (set of 4), 0.040" thick (1mm).
Spacer shims to increase valve seat pressure and overall spring rate.
These were also used on all the 8 port head valve seats to prtect the alloy seats from wear. (8 port now C-AHT36...
New competition valve cotter, these are precision CNC machined from 4340 and heat treated to a better spec than EN24T and claimed to be stronger in fatigue life.
These locate better in the valves and easier to control spring heights.
Alloy CNC version of the cylinder head take off 12G2534. The standard item being steel can be prone to corrosion, this CNC alloy version is smart, and will not corrode like steel does
Originally fitted to Minifin rocker covers as standard Rover equipment, it will also fit almost every other rocker cover including our FP26 range and Minispares alloy covers. This improved cap has a large grip and an improved lock system...
Spacers for under the rocker pedestals are used mainly by engine tuners to allow tappet adjustment to be made where cylinder head mods have been carried out. 1.3mm/0.0512" thick, this can be used to hold locating screw on rocker post assembly but the...
Early Large cotter groove exhaust valve. Most small bore engines seem particularly prone to burning valves, it is highly recommended to replace the exhaust valves when you do a valve job! This 1.0" valve fits most early 948cc, 998cc and 1098cc engine...
Special thin type clip for fitting the water by pass hose between the water pump and the cylinder head. Most ordinary jubilee clips will not fit the tight area where the hose fits. Also used on C-AHH8537 oil cooler hose.
New colour, PB104 bronze guides.Although Silicon bronze valve guides were used for their extremely good wear values, they were very hard and not user friendly when fitting. These valve guides are recommended when using all EN21 4N stainless steel val...
Genuine Mini Spares product as everything else on the market was poor fitting and unstable.
For Performance see 88G459EVO made in the USA by a Specialised Racing product company.
All the earlier heads used the 2A11 cott...
Original type steel 'S' competition top caps for dual springs.
If you are upgrading from single springs or just want to replace those old worn top caps, these better grade material are the best answer. Eight required per head.
That tell tale puff of blue smoke when you first start is an indicator of worn guides or seals. Valve guides should be replaced with every valve job.
Sold individually, these are the original quality Cooper S guides for use in any head espec...
Standard alloy thermostat housing. If you want the larger bore type as used on the Cooper with a sandwich plate see PEQ10019 housing GRH1140.
Requires thermostat gasket GTG101MS or GUG705558G...
Heater valve studs fitted to the cylinder head. 1/4"unf 1.1250" long.
Circip, this tiny hairpin clips over the early valve spring collets 2A11EVO. Although Leyland said they were not required any longer on a bulletin around 1970 most people regard them as an extra safety part as the collets always looked a...
Thermal transmitter fitted in the cylinder head from 1970 on until its demise on the 1990 Coopers this part was the same as GTR143. One number was original fitment and the other supplied as the spare part by Unipart.
Fits 998 1275 and cooper...
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