QA1 Level 2 Handling Suspension Kits HK32-CRB4
Part number 42705f7604da
$5,797.84
In stock ready to ship
Parts & Accessories
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Parts & Accessories
SKU 57e500fae9c4
Car Chassis & Suspension Kits$1,160.31
Freight and taxes calculated at checkout
In stock · ready to ship
No warranty
Commercial use may carry a shorter period than pleasure use.
Warranty termsFreight — oversize — from $349. Ships in 1–3 business days, 3–10 business days in transit.
Freight damage must be noted on the delivery receipt and reported within 48 hours of delivery.
Shipping rates30-day return window · 25% restocking fee plus freight both ways.
Engines or transmissions that have been disassembled or parted out cannot be returned.
Full policySecure card payment via Stripe. A deposit holds an item for 15 days.
Some engines and transmissions carry a refundable core charge, shown on the product page where it applies.
Payment termsCatalogue data
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In the seller's words
Upgrade your classic vehicle with the Heidts 4-Link Rear Suspension Kit! Designed for high-performance street and track applications, this kit enhances traction, handling, and body stiffness, transforming your ride into a modern, fun-to-drive machine. With both bolt-in and weld-in options, Heidts delivers precision engineering to meet your needs.
✅ Perfect for Ford 9-inch rear ends
✅ Superior traction & tunability for street & track use
✅ Adjustable coilover shocks for ride height & damping control
✅ Durable polyurethane bushings for long-lasting performance
✔ Adjustable Upper & Lower Trailing Arms – Ensures better traction & tunability
✔ Trailing Arm Mount Braces – Reinforces structure for improved chassis stiffness
✔ Rear Single-Adjustable Coilover Shocks – Allows precise ride height & damping adjustments
✔ High-Quality Coilover Springs – Optimized for performance handling
✔ Steel Control Arms (Natural Finish) – Strong & durable construction
✔ Polyurethane Bushings (Black) – Reduces deflection while enhancing suspension precision
✔ Brackets & Mounting Hardware – Complete installation kit for easy fitment
Tuned for Performance – Whether on the Street or the Track!
| Feature | Details |
|---|---|
| Brand | Heidts |
| Manufacturer Part # | RC-151 |
| Summit Racing Part # | HDT-RC151 |
| UPC | 887753178633 |
| Fitment | Ford 9-Inch Rear End |
| Third Member Included | No |
| Third Member Case Style | Ford 9-inch |
| Third Member Material | Aluminum |
| Pinion Support Material | Steel |
| Rear Shock Type | Single Adjustable Coilover |
| Coilover Springs Included | Yes (Gray/Silver Finish) |
| Trailing Arm Mount Braces | Yes |
| Adjustable Upper Trailing Arms | Yes |
| Adjustable Lower Trailing Arms | Yes |
| Bushing Material | Polyurethane (Black) |
| Welding Required? | No (Bolt-in & Weld-in Options) |
| Sway Bar Included? | No |
| Panhard Bar Included? | No |
| Watts Link Included? | No |
| Brakes Included? | No (Optional) |
| Mounting Hardware Included? | Yes |
| Quantity | Sold as a kit |
Upgrade Your Suspension with a Bolt-In Kit That Delivers Modern Performance!
Improved Traction & Handling – The 4-link geometry allows for better weight transfer, maximizing grip & acceleration.
High-Strength Construction – Built with premium materials, ensuring durability & reliability under extreme conditions.
Adjustability for a Custom Setup – Fine-tune your ride height & suspension stiffness to suit your driving style.
️ Bolt-In or Weld-In Installation – Choose the installation method that best fits your build & performance goals.
Perfect for Street & Track Use – Whether cruising or racing, enjoy optimal ride quality & control.
Does this kit include a differential or axle housing?
Is welding required for installation?
Can this kit be used for drag racing?
Will this work with my existing rear-end setup?
Transform your ride into a high-performance machine with the Heidts 4-Link Rear Suspension Kit!
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