Quote:
Originally Posted by A1971Blazer
If you have factory front springs, it's OK to leave this in place.
If you have lift springs it needs to be removed or it will severely limit rearward movement of the spring.
The factory springs have a negative to relatively flat arch to them, when the spring compresses the shackle moves forward,
a lift spring has positive arch so when it compresses, the shackle moves rearward.
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My K10 had one on each side with stock springs, and when I installed 2" lift springs I had to remove both because they were hitting.