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      High Idle Kit Sale   09/06/2017

      Just in time for Father Winter, we are offering a %10 Discount for the first 10 High Idle switches sold until 10/1/2017.  Just use the coupon code HighIdle at checkout to get %10 off. Visit out store to see details on the High Idle Kit.       

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semo cummins rookie

wanting to swap gsk

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semo cummins rookie    0
semo cummins rookie

what gsk works better with stock valve springs and stock inj. the 3 or 4.... weres the best and cheapest place to buy them?????

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ISX    58
ISX

You have to get 60 lb springs to run over 3200RPM. I would just get the 3GSK if anything, then you don't need the updated valve springs. 4k RPM's is a little unnecessary if you ask me.Not sure about the cheapest place.

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