Skyjacker’s 6-inch suspension system for 1988–1991 half-ton Suburban models includes springs sized for a 52-inch setup and other components to achieve a reliable lift. Parts are finished to resist corrosion and ship with mounting hardware and guidance; additional items may be required for a complete installation. The system targets owners seeking a specific 52-inch spring configuration for older Suburban platforms.
Skyjacker 6"SYS 88-91 1/2T SUB/52"SPR