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Old 06-14-2018, 12:43 PM   #3
20' Daredevil (Ret)
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Join Date: May 2003
Location: Jefferson State
Posts: 10,739
Re: K10 rear springs q and a

^^ That sounds right to me. Stock spring length is 52" and K10 & K20 packs are interchangeable as far as fit. Thickness & load capacity will vary of course.

OP, if your truck has 56" springs, they have been swapped in by a previous owner.
- Mike -

1972 K20 LWB 350/350/205

RIP El Jay
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