£1.70 exc vat
£2.04 inc vat
In stock
This was also the outer on the 997/8 cooper range but the inner is obsolete so use our C-AEA525 where the outer was the same length.
12G1015 was used on many A plus valves which are no longer available so this spring has to be used with Pre A plus valves on A plus heads. Our C-AEA526 will fit anything.
£1.70 exc vat
£2.04 inc vat
In stockRecommended usage 8 x AEA311 to fit one mini.
There is nothing special about these A Plus single valve springs. The valves were a longer fitted length but fitted the later 998 and all 1275 versions. They are an excellent replacement for any single spring 1275, Austin America, 1300, etc. sold sin...
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...
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.
Genuine Mini Spares valve stem oil seal manufactured with original Dupont Viton, as fitted to the twin points engines, are the best material and seal you can use and although expensive are the best to date in stopping the engine smoking.
Man...
Sold individually.
To help rocker pad to valve stem alignment and reduce friction, the standard springs can be replaced with solid spacers and correctb shim set. The spacers and shim kit are sold as C-AEG392.
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...
1.220" (31mm) dia x 3.57 exhaust valve.
Our race valves are produced in EN214N steel and are stellite tipped and use the later narrow, single collet groove and current valve head shapes.These valves are plasma heat treated to eradicate wear ...
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...
Collet for the 3 groove valve. Sold per half and 2 required per valve.
These cotters go with AHU1897 top cap. On Turbo heads after engine number 102641 were fitted on the inlet only.
All early 850/997/998/1098cc heads u...
If you drive A-Series cars long enough you will eventually have to replace the water pump bypass hose. These are the best quality available to fit without removing the cylinder head but these fluted rubber hoses have a bad reputation so if possible ...
Inlet valve 1098cc with small cotter groove.29.2mm(1.15") and takes AEA311 spring.Sold singly 4 required per engine.
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...
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