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Discussion Starter #1
Don't know if anyone can help me with this one.

I have a slightly damaged piston and need to swap it for a decent one, the part number's the same but the stamp on the the crown is a CD & 3. All the spares I have are either CD and 1 or 2.

Does any one know what this means? Is it a weight or size reference?

Many thanks

Chris
 

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The numbers do refer to piston size. These are 4AGE piston dimensions. GZE piston dimensions are different.
1= 80.890-80.900 mm
2= 80.900-80.910 mm
3= 80.910-80.920 mm

O/S .050 81.390-81.420 mm
 

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Discussion Starter #4
Cheers Paul, much appreciated.

Looks like I'll have to start hunting. Or file down the pitting. :angel:
 
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