4 or 3k?????
 

so like 4 years ago a bought a kit for tst products that said 3gks kit for 12v, i was comfortable putting it in back then so a local diesel shop let me come down and help them put it in, well the other day i went to put in my 4k upgrades (the small inner springs) and found that there where already small springs in there, the ones that where in there where about a 1/4" shorter than my new ones, so i swapped them and around and we will see how it goes once the truck is running, i was just wondering if anyone had any input for me on this? did i already have 4ks?

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is all that too confusing?

it sounds like u have to different kits? if so the one may come with all 4 springs for a 3 k and the new spring u bought was meant for a different kit.