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Discussion Starter · #1 ·
Hi,

I wonder if anyone can help? I have a 1300 twincam engine and want to identify what cams are in it. They aren't cast cams but look like billet cams and are marked AR.110.280. Does the 280 refer to their duration? Hopefully someone can identify this number as I've exhausted all my limited points of reference.

Thanks in advance
Kev
 

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cb cams.jpg
 

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Discussion Starter · #5 ·
Thanks for your help. At least I have a starting point. I also have another pair of cams but they have no markings that I can see. The lobes look obviously different, as they are shorter but I don't stand a chance of identifying them!
 

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You are welcome. I think it's an earlier version of AR.SM2 one (as it has AR.109.280 code)
 
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