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Hi Hayden..
Not sure what those numbers are but there are a few common 6 bolt cranks that will fit a 7R case. You have either a 66mm non-counterweighted crank, 66mm counterweighted, or 70.4mm
There should be additional numbers on the crank. You can also identify it by measuring the rod journals. If you post a picture of the crank with the dimension of the rod journals someone can tell you what you have.
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1970 911E Sportomatic Albert Blue
1971 911T Sunroof Coupe w/ Twin Plug 2.5 MFI
1973 911E Glacier Blue
1973 911E RSR Tribute Viper Green w/ 3.5 Twin Plug MFI
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