Quote:
Originally Posted by ponjohn
Yes they are 1.75" offset and IIRC they are from speedtech.
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The offset of your shackles is why you hit the spring first.
The comp engineering shackles move the rear of the springs in 4 inches, makes room for a 315. If it were me and allowed, I would just relocate the front of the spring to inside the frame rail using a mount from a crossmember. Then get the leaf straight back and build a crossmember there to attach.