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Discussion Starter · #1 ·
My spring code is KA. The coil springs had a tag on them that shows their part # as F81A-5310-TA with a large K on the tag as well. These are 4,400lb front coil springs. They appear to have sagged somewhat and I also don't like their soft ride and would like to upgrade them to a stiffer spring to also achieve some added lift.

If front spring code K is 4,400lb on my truck ... does anyone know spring codes for higher GAWRs?

Thanks.
 

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sorry, dont have any info but I am intersested in this as well....
 

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I know there are some guys on here running the "ambulance package" springs in order to level out their trucks. I'm wanting to go this route but have been unable to find the part numbers. I hate the rake on my F350 so bad I may just break down and go for a lift.

Chris
 

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I have looked but been unable to find a 4x2 front leveling kit that is cheap and easy. Everything is for the 4x4 suspension. I did run across a Fabtech kit, but it costs like $1000 and is completely new springs, arms, the works!
 
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