2" & 4.5" Rear Shackle Flip Kits - 1978-1997 Ford F-Series

Rear Shackle Flip Kit – 1978–1997 Ford F-250/350 | 1980–1996 Bronco/F-150 | 1992–2018 E-350

Improve ride quality and rear suspension performance with this shackle flip kit, designed to allow your leaf springs to move more naturally under compression.

🔧 Application:

• Trucks:

  • 1978–1997 Ford F-250/350

  • 1980–1996 Ford Bronco & F-150 (requires re-drilling)

  • 1992–2018 Ford E-350

• Springs: Fits 3.5" wide rear leaf springs

📦 What's Included:

• (2) Rear shackle flip brackets (driver & passenger side)

• Rear mounting hardware (frame bolts)

• Uses factory hanger-to-shackle bolts

✅ Features:

• Positions shackles downward for smoother spring movement

• Noticeable improvement in ride comfort and suspension response

• Sold as a complete pair for both sides of the vehicle

⚠️ Notes:

• Bronco/F-150 applications require re-drilling frame holes

• Some factory frame holes may need minor die grinding for bracket alignment

• Pinion angle should be checked after install and corrected if needed

• Axle centerline may shift slightly depending on spring height and geometry

For additional lift or strength, pair with our Heavy Duty Stock Replacement Shackles or 1" Lift Shackles.