> Vehicle:
>
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> Because the truck has been lowered 4" in the rear would that mean a custom/special shock or simply
> something off the shelf?
really depends on how it was lowered, and where the shocks mount.
1) if the vehicle was lowered with blocks, and the shocks mount to the
spring plates, stock shocks will be fine.
2) if the vehicle was lowered with lowering springs, or if it was
lowered with blocks but the shocks mount to the axle housing, you will
need to find shocks that mount similar to stock but have 4" shorter
length.
with such a radical lowering job, have you considered airbags to allow
you to adjust the rear for loads? Also have you c-notched the frame to
maintain suspension travel?
nate