Superlift 73-87 Chevy/GMC 1/2 3/4 Ton 4in Rear Shackle Flip Kit 3030

Superlift’s “flip kitprovides 4of 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 .25plate steel and mounting hardware.