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The Skyjacker 4-inch suspension lift kit for 1973–1987 half‑ton GM trucks with 56" springs raises clearance and helps maintain a controlled ride on varied terrain. Skyjacker kits are supplied with mounting hardware and detailed instructions and are available for both 2WD and 4WD configurations. Note that other parts may be required to complete a full system; limited lifetime warranty applies.
Skyjacker 4"73-87GM 1/2 TON W/56" SPR
