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1275 Cooper S Engine & 333 Gearbox For Sale


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#1 MiniJosh92

MiniJosh92

    Camshaft & Stage Two Head

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  • Location: Nr Ashford, Kent

Posted 28 October 2023 - 10:28 AM

Cooper S 1275 engine. 

 
This was removed from a running and driving car some years ago and carefully stored since. It was purchased after being seen running in a car and was intended for a project that never happened. The previous owner who had it in his mini had it rebuilt and didn't do many miles with it before selling it. I have removed the cylinder head for inspection.
 
It is a thick flange block (AEG312 / AEG634) that has been rebored +40. AEG623 crankshaft that I was told was reground 20 across all journals. Also told that the rods were balanced. It has a special tuning AEG649 camshaft fitted. The cylinder head is a stage 3 from minisport. S forged rockers.
 
£4500.
 
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22G333 Cooper S gearbox.
 
Complete box fitted with special tuning straight cut close ratio gear set. 22G1047 laygear. Also has limited slip diff marked ST1361 with hardy spicer outputs.
 
Was purchased some years ago for an intended project and been carefully stored since. Is in excellent condition, no damage to the casing, no wear to idler gear thrust face, good fins etc. A really great gearbox and now incredibly rare and hard to find.
 
£3000.
 
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