Prothane 6-1051-BL Rear Spring & Shackle Bushing Kit for 64-73 Ford Mustang

Vehicle Fitment

• 1964-1973 Ford Mustang (all trims)

Fitment Notes

• Fits rear leaf spring eye and shackle with ½" shackle bolts
• Direct fit replacement for factory rubber bushings
• Replaces worn or deteriorated bushings to restore suspension geometry

Features

• Manufactured from premium black polyurethane for enhanced durability
• Improves rear suspension responsiveness and reduces deflection
• Reduces chassis movement under acceleration and braking
• Resists oil, grease, road chemicals, and UV degradation
• Designed specifically with ½" shackle bolts in mind
• Direct-fit for leaf spring and shackle eye--no modifications required
• Includes Prothane's lifetime limited warranty
• Made in the USA

Specifications

• Position: Rear spring eye and shackle
• Bushing Material: Polyurethane, black
• Shackle Bolt Size: ½" inner diameter
• Kit Type: Includes bushing sleeves and pre-lubricated components
• Emissions Compliance: Not applicable

Included Components

• 4x Rear spring eye bushings
• 4x Shackle bushings (½" ID)
• 4x Stainless steel inner sleeves
• 1x Tube of silicone-based grease

Product Description

The Prothane 6-1051-BL Rear Spring & Shackle Bushing Kit is designed to restore the rear suspension performance of 1964-1973 Ford Mustangs. Precision-engineered polyurethane bushings replace old rubber units to significantly reduce deflection and enhance handling during cornering, acceleration, and braking. Ideal for restoration projects and classic muscle builds.

Each kit contains pre-lubricated bushings, stainless steel sleeves, and a grease packet for smooth operation and low maintenance. The ½" shackle bolt sizing ensures seamless compatibility with factory hardware. Backed by Prothane's lifetime limited warranty and made in the USA, this kit offers long-lasting performance and durability.