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Condition notes recorded before palletizing.
30-Day Startup Warranty
Covers block, heads and internal moving components.
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Auto Parts & Accessories
Heidts 4-Link Rear Suspension Kits RB-112
$2,221.80
+ $295.00 flat-rate insured LTL freight
(details)
$2,516.80 delivered to the continental US
- Palletized and heavy shrink-wrapped for freight
- LTL carrier delivery with optional liftgate service
- Ships in 1–2 business days from Los Angeles, CA
- Transit typically 3–7 business days, continental US
Secure checkout by Stripe
Need a matched transmission, controls or wiring package? Speak with a parts specialist.
Details & Inspection Notes
Heidts 4-Link Rear Suspension Kit, Transform Your Classic Ride!
The Heidts 4-Link Rear Suspension Kit is designed to upgrade classic cars with modern suspension geometry for improved handling, ride quality, and traction. Whether you’re building a high-performance street machine or a track-ready vehicle, this kit delivers precision engineering and adjustability to fine-tune your setup.
Perfect for high-performance street, autocross, and road course applications!
What’s Included in the Kit?
Adjustable Upper & Lower Trailing ArmsAllows for precise suspension tuning
Adjustable Panhard BarProvides superior lateral stability
Single Adjustable Coilover ShocksOffers damping control for optimized handling
High-Quality Polyurethane BushingsEnhances durability and ride comfort
Steel Brackets & Mounting HardwareEnsures a secure and sturdy installation
Gray/Silver Coilover SpringsDesigned for high-performance applications
Everything you need to upgrade your suspension to a race-ready setup!
Technical Specifications
| Feature | Details |
|---|---|
| MFG. Part # | RB-112 |
| Brand | Heidts |
| Vehicle Compatibility | Classic Cars & Custom Builds |
| Rear Suspension Type | 4-Link |
| Upper Control Arms | No |
| Lower Control Arms | No |
| Control Arm Material | Steel |
| Control Arm Color | Natural |
| Rear Shocks/Struts | Yes (Single Adjustable Coilover) |
| Coilover Springs Included | Yes |
| Spring Finish | Gray/Silver |
| Panhard Bar Included | Yes (Adjustable) |
| Bushings Included | Yes (Polyurethane) |
| Bushing Color | Black |
| Watts Link Included | No |
| Rotors & Calipers Included | No |
| Installation Type | Bolt-On & Weld-In Options |
| Quantity | Sold as a Kit |
Designed for race-quality handling with street-friendly comfort!
Fitment & Compatibility
Designed for Ford 9″ Rear End Applications
Direct Bolt-On & Weld-In Installation Options
Ideal for Classic Car Restorations & Performance Builds
Perfect for builders looking for a balance between performance & street comfort!
Installation Notes & Tips
Professional Installation Recommended
- Welding may be required for some applications
- Includes adjustable links for precise tuning
- Housing, third member, axles, and brakes are optional and must be sourced separately
Upgrade your rear suspension for improved traction & handling performance!
Frequently Asked Questions (FAQ)
How does this 4-link system improve handling?
- This system replaces the factory leaf springs with a fully adjustable 4-link setup, providing better traction, reduced wheel hop, and improved cornering stability.
Can I install this kit on my classic muscle car?
- Yes! This bolt-in & weld-in kit is compatible with classic vehicles using a Ford 9″ differential.
Does this kit include a differential housing?
- No, the housing, third member, axles, and brakes are optional and must be sourced separately.
Is welding required for installation?
- Some applications may require welding for additional reinforcement, but the kit is primarily designed as a bolt-on solution.
Does this kit work for both street and track use?
- Absolutely! This 4-link system is fully adjustable, making it perfect for both street performance and aggressive track use.
Call to Action, Upgrade Your Suspension Today!
Enhance your classic car’s suspension with the Heidts 4-Link Rear Suspension Kit!
Modern Suspension Geometry for Superior Handling
Adjustable Coilovers & Trailing Arms for Custom Performance
Bolt-On & Weld-In Installation for Maximum Flexibility
Perfect for Street & Track Use
Order Now & Experience Next-Level Performance!
OverviewBrand:
Heidts
Manufacturer’s Part Number:
RB-112
Part Type:
Rear Suspension Packages
Product Line:
Heidts 4-Link Rear Suspension Kits
Summit Racing Part Number:
HDT-RB-112
UPC:
887753178572
Third Member Included:
No
Third Member Case Style:
Ford 9 inch
Third Member Case Material:
Aluminum
Pinion Support Material:
Steel
Pinion Support Finish:
Natural
Axle Shafts Included:
No
Upper Control Arms Included:
No
Lower Control Arms Included:
No
Control Arm Material:
Steel
Control Arm Color:
Natural
Air Bags Included:
No
Rear Shocks/Struts Included:
Yes
Rear Shock Type:
Single adjustable coilover
Coilover Springs Included:
Yes
Spring Finish:
Gray/Silver
Suspension Package Finish:
Bare
Bushings Included:
Yes
Bushing Material:
Polyurethane
Bushing Color:
Black
Sway Bar Included:
No
Watts Link Included:
No
Panhard Bar Included:
Yes
Adjustable Panhard Bar Included:
Yes
Upper Trailing Arms Included:
Yes
Adjustable Upper Trailing Arms Included:
Yes
Lower Trailing Arms Included:
Yes
Adjustable Lower Trailing Arms Included:
Yes
Trailing Arm Mount Braces Included:
Yes
Trailing Arm Hardware Included:
Yes
Rotors Included:
No
Calipers Included:
No
Quantity:
Sold individually.
Notes:
Includes brackets, bars, panhard bar, coilover shocks and spring. Housing, third member, axles and brakes optional
Startup & Installation Checklist
- Replace timing components, water pump and plugs before initial startup where applicable.
- Refill all fluids with manufacturer-specified oil and coolant.
- Verify sensors, ECU pinouts and grounds against your chassis or hull wiring.
- Startup warranty covers heads, block and internal lubricated components for 30 days from delivery.
Full terms: 30-day startup warranty · returns
