4" Lift Rear Shackle Flip, 73-91 Blazer. Superlifts flip kit provides 4 of lift by converting the factory rear spring shackles from a tension style (pointing up) to a compression style (pointing down). This allows the custom builder to decrease block and/ or lift spring height for improved suspension flexibility.
The need to address pinion angle, via spring shims, varies depending on numerous factors.
Kit includes a pair of new shackle hanger brackets, laser cut and constructed of .25 plate steel, and mounting hardware.
Kit will NOT work on a 1-ton frame.
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