VALVE GRINDING PASTE (LARGE)
MSA1005

£3.90 exc vat

£4.68 inc vat

In stockIn stock

£3.90 exc vat

£4.68 inc vat

In stockIn stock

Recommended usage 1 x MSA1005 to fit one mini.

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this is called agrinding stick because it is used for sticking on the cylinder head inlet and exhaust valve heads to lap them in with grinding paste on heads without lead free inserts--valves usually do not need grinding in when new and fitted to new...

when removing the head for a decoke or changing valves/springs you will require this tool to release the collets holding the valves in place.

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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.

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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.

Set of strong lightweight titanium top caps to suit our valve springs C-AEA526/527 hard for single collet competition valves. Sold as a set of 8.

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1.2"(31mm) intake valve for 12G295 Cooper head 998cc. Also a suitable upgrade for other small bore heads. These have the large collet groove 8.65mm (.340") 2A11 cotters which are now available as 2A11EVO. Correct grade exhau...

Best quality 1" exhaust valve for small bore cylinder heads as fitted standard to 998 Cooper. Higher grade than AEA434. Has a large 8.65mm (.340") collet groove 2A11 cotters which are now available as 2A11EVO.

1.1" diameter intake valve for 948cc with 8.65mm wide groove for use with the original 88G616 top caps and 2A11 cotters which are now available as 2A11EVO.

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.

160lbs on the nose at 400" for standard Cooper S or twin spring set ups. See C-AEA526 and C-AEA527 for later developed springs. These are ok for all standard uses but are improved and uprated over all original factory fitted...

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...

Goes with 12A1987 ex valve and should use AEA311 valve springs. 27mm. Pre A Plus for 850/998 with 88G459 small cotter grooves. Supplied singly, 4 required per engine.

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...

1.402" (35.6mm) dia x 3.57" long intake valve.

Our race valves are produced in EN214N steel and are stellite tipped and use the latest triple collet groove and current valve head shapes, plasma heat treated for eradicating unleaded petrol we...

1.311" (33.3mm) dia x 3.57 long intake valve.


Our race valves are produced in EN214N steel and rquire Manganese/Silicon bronze alloy valve guides. use the later narrow, single collet groove and current valve head shapes.


As ...

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...

Actually 29.3mm (1.15") these valves are in EN214N steel with chrome plated stems for use in standard iron guides. Easily noticeable by their strange design shape they claim to give better flow characteristics.

chrome on en214N steel enables fitment of this valve to standard iron guides.

the flow characteristics of this valve are claimed to give better power when used on standard applications. 35.7mm)1.405") for 12G940 large bore casti...

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...

Pre A Plus exhaust valve using 88G459 small cotters. Uses AEA311 springs-25.4mm. For 850/998/1100cc. This valve is to a higher spec than the originals.