<VV> Rods

[Brian]

In looking at the Clark's catalog for rods for a LM engine, I noticed that they list lightened/balanced rods and list one number for 64-69 all and the same number for 62-83 turbo. I know there is a difference in length between EM and LM rods.  I thought that 62-63 stroke was 2.60 and 64-69 was 2.9.  What gives?  How can the rods be the same?
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