Hello,
Recently found a 12a185 in a garage. Ik looks like a small bore head. And has 30mm inlet valves and 25mm exhaust valves. On which engine was This head used?
Kind regards
Cylinderhead 12a185
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Lakeland997
- 1275 Cooper S
- Posts: 861
- Joined: Mon Feb 04, 2013 12:57 pm
- Location: Whitehaven
Re: Cylinderhead 12a185
My 1962 997 Cooper came with one of those. A rare beast I believe (but not worth much 
).
Confusing, as I think that the same casting number was used for a Cooper S head.
).Confusing, as I think that the same casting number was used for a Cooper S head.
Sleep is my favourite thing in the world. It's what gets me out of bed in the morning.
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nick rogers
- 1275 Cooper S
- Posts: 2235
- Joined: Thu Jun 24, 2010 3:21 pm
- Location: South Yorks.
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Re: Cylinderhead 12a185
Exactly right. 2 completely different castings with the same casting number. The books seem to suggest 12G202 as the 997 head but this one was used on early models.