Heavy Duty Leaf Spring U-Bolt Retainer Plates & 5/8" U-Bolts

Heavy Duty Rear Axle U-Bolt & Retainer Plate Kit 

Upgrade your Bronco’s rear suspension strength with this Heavy Duty U-Bolt and Retainer Plate Kit for 1966–1977 Classic Ford Broncos. Designed for maximum durability, this kit includes 5/8-inch thick U-bolts and heavy-duty steel retainer plates built to handle the toughest off-road conditions.

Product Details:

• Fits 1966–1977 Ford Broncos

• Complete heavy-duty set includes:

  • 5/8" diameter U-bolts

  • Heavy-duty steel retainer plates

• Made from premium-grade steel for superior strength and longevity

• Direct replacement for factory U-bolts and retainers

• Provides extra clamping force for high-stress suspension setups

• Ideal for lifted Broncos, off-road builds, or heavy-duty use

• Ensures secure leaf spring and axle mounting

• Designed for extreme off-road performance and reliability