SuperDuty Rear Leaf Spring Conversion Shackle - 1985-1997 Ford F250/F350

Sky's Offroad Design (85–97) Super Duty Rear Leaf Spring Conversion Shackles Convert your OBS to use 1999–2007 Super Duty Rear Leaf Springs Also known as boomerang shackles, these precision-built shackles allow 1985–1997 Ford F-250 and F-350 trucks to easily accept 1999–2007 Super Duty rear springs without major fabrication or heavy modification to the stock mounts. 🔩 What’s Included: Shackle pair Polyurethane bushings Steel sleeves ✅ Features: Direct-fit conversion for 99–07 Super Duty leaf springs No added lift — maintains factory ride height Constructed for bolt-in compatibility with existing hanger and spring mounts Dimensions: 4.5" eye-to-eye length 5/8" spring eye bolt hole 9/16" hanger eye bolt hole 📦 Application: Truck: 1985–1997 Ford F-250 / F-350 Springs: 1999–2007 Ford Super Duty rear leaf springs