[Chevelle-list] 10 bolt carrier shims

[ken mabs]

I'm about to buy an eaton posi unit for my 10 bolt chevelle, but i dont know what install kit to use.  There are two choices.  One uses Intra-Lok carrier shims and the other uses standard.  What is the difference between these two and is it necessary to buy the Intra-Lok setup?  I have a mild 355 and am going to run 3.73's in back.  It won't be a torque monster of any sort.   
   
  Ken
  Chicago,IL
  70 Malibu

       
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