SKU: SPF2233K | UPC: 9317745022336
SuperPro Rear Spring Bush Kit for 1967-1973 Ford Mustang
SuperPro SPF2233K rear leaf spring bushing kit replaces worn OE rubber bushings on 1967-1973 Ford Mustang models including Base, Boss 302, Boss 351, Boss 429, Grande, and Mach 1. These polyurethane bushings feature precise dimensions of 35mm outer diameter, 31mm length, and 14.3mm inner diameter for direct fit. They control rear axle movement to eliminate road wander, enhance stability during braking, and maintain control when towing or carrying loads.
Key Features
- Polyurethane Construction: Resists degradation from heat, ozone, and chemicals far longer than rubber for consistent performance over time
- Exact Dimensions: 35mm OD, 31mm length, 14.3mm ID match early Mustang leaf spring shackles for seamless installation and zero play
- Axle Stabilization: Prevents passive steer by firmly locating the solid rear axle during cornering and acceleration
- Load Handling: Maintains ride height and control with trailers, boats, or heavy cargo where OE bushings fail
- Complete Kit: Includes all bushings needed for rear leaf springs, one of three sizes available for early Mustangs
Product Notes
- Designed for standard ride height with stock wheels and tires, performs reliably in upgraded suspensions
- Inspect leaf springs and shackles for wear before installation to ensure full benefits
- Ships in protective packaging to prevent damage
Installation Notes
- Professional installation recommended.
- Remove OE bushings with press or bushing tool, lubricate SuperPro bushings with provided grease
- Compatible with factory hardware, torque to Ford specifications
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1967-1973 | Ford | Mustang | Base |
| 1969-1971 | Ford | Mustang | Boss 302 |
| 1971-1972 | Ford | Mustang | Boss 351 |
| 1969-1970 | Ford | Mustang | Boss 429 |
| 1970-1973 | Ford | Mustang | Grande |
| 1970-1973 | Ford | Mustang | Mach 1 |
Why Choose SuperPro?
- Trusted by enthusiasts for polyurethane bushings in motorsport and street applications worldwide
- Engineered in Australia with advanced formulations for durability and ride comfort
- Precision machined shells ensure perfect fit and alignment from the factory
Frequently Asked Questions
- Q: Will this kit fit my 1969 Ford Mustang Boss 302?
A: Yes, SPF2233K fits 1969-1971 Mustang Boss 302 along with other 1967-1973 models listed in fitment - Q: What material are these bushings made from?
A: High-performance polyurethane with grease grooves for lubrication and long service life - Q: What is the warranty on SuperPro bushings?
A: Lifetime warranty against splitting or cracking when installed and maintained correctly
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock – ships same or next business day
- Packaging: Compact box 6 x 4 x 2 inches
- Weight: 0.4 lbs





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