[T3] Mahle 1500 pistons

[Keith Park]

Looking over the NOS Mahle flat tops im going to use in the crate, they say
SP0.05 mm on them in addition to the 82.95 number.
They are part number 311 107 105 AA

There is no indication anywhere on them that they are oversize other than
maybe that SP number that is on the piston itself, the box is not marked
oversize anywhere, any idea what that SP number is??

Thanks

Keith


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