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 afce3845b790
Car Chassis & Suspension Kits$2,482.72
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
The QA1 1965-79 F-100 Coilover Conversion System (52620-S600) is a bolt-on suspension upgrade designed to dramatically improve the handling, ride quality, and steering precision of your classic Ford pickup.
This engineered-from-scratch system replaces outdated front-end components with high-performance coilovers, rack & pinion steering, and tubular control arms, eliminating the need for junkyard parts while ensuring a seamless, factory-fit installation.
Perfect for daily driving, pro-touring builds, and performance truck enthusiasts looking for a modern ride without sacrificing classic style!
✅ Single-Adjustable Coilover Shocks – Provides customizable damping & ride height
✅ 600 lb./in. High-Travel Coilover Springs – Improves ride quality & weight distribution
✅ Tubular Upper & Lower Control Arms (Black Finish) – Stronger, lighter, and optimized for better geometry
✅ Upper & Lower Crossmembers – Ensures structural rigidity & proper suspension alignment
✅ Rack & Pinion Steering System (Hydraulic Power Assist) – Delivers modern steering feel & improved road feedback
✅ Stock-Height Spindles (Cast Iron) – Maintains factory ride geometry while allowing for lowered stance
✅ Tie Rod Sleeves & Inner/Outer Tie Rod Ends – Improves steering precision & response
✅ All Required Mounting Hardware (Nuts, Bolts, etc.) – Ensures easy installation
Transform your classic F-100 into a modern-handling powerhouse with this all-in-one coilover conversion system!
| Feature | Details |
|---|---|
| Brand | QA1 |
| Manufacturer Part # | 52620-S600 |
| Product Type | Front Suspension Package |
| Crossmember Included? | ✅ Yes (Steel) |
| Welding Required? | ❌ No |
| Front Spindles Included? | ✅ Yes (Stock Height, Cast Iron) |
| Upper Control Arms Included? | ✅ Yes (Tubular Steel, Black Finish) |
| Lower Control Arms Included? | ✅ Yes (Tubular Steel, Black Finish) |
| Upper Ball Joints Included? | ✅ Yes |
| Lower Ball Joints Included? | ✅ Yes |
| Rack & Pinion Steering Included? | ✅ Yes (Hydraulic Power Assist) |
| Rack Material | Aluminum |
| Rack Color | Natural |
| Shocks Included? | ✅ Yes (Single Adjustable Coilover) |
| Coilover Springs Included? | ✅ Yes |
| Coilover Spring Rate | 600 lbs./in. |
| Spring Finish | Gray/Silver |
| Disc Brake Kit Included? | ❌ No |
| Front Rotor & Calipers Included? | ❌ No |
| Sway Bar Included? | ❌ No |
| Tie Rod Sleeves Included? | ✅ Yes |
| Inner & Outer Tie Rod Ends Included? | ✅ Yes |
| Ride Height Adjustment | 3”-5” Drop (Stock Spindles) / 5”-7” Drop (Drop Spindles) |
| Weight Savings | 150 lbs. vs. Crown Vic Swap |
| Quantity | Sold as a kit |
⚡ A must-have upgrade for classic truck owners looking to improve drivability, stance, and overall performance!
✔ Designed for 1965-79 Ford F-100 Pickups
✔ Ideal for Performance, Pro-Touring, & Restomod Builds
✔ Compatible with Stock or Aftermarket Brake Systems
✔ Allows for Larger Wheels & Tires with Narrower Front Track Width
Perfect for truck enthusiasts who want modern handling while maintaining a classic look!
100% Bolt-On Installation – No Welding Required
⚙️ Ensure Proper Alignment & Suspension Setup After Installation
Torque Suspension & Steering Components to Manufacturer Specifications
Professional Installation Recommended for Best Performance
⚠️ Does Not Include Engine Mounts – Must Be Purchased Separately
What improvements will I notice after installing this kit?
Do I need to weld anything for installation?
Can I use this kit with my existing brakes?
How much will this kit lower my truck?
Is this kit good for daily driving?
Modernize your classic Ford truck with the QA1 1965-79 F-100 Coilover Conversion System!
✔ Precision Steering & Handling with Rack & Pinion Upgrade
✔ Adjustable Coilovers for Tunable Ride Comfort & Performance
✔ Tubular Control Arms & Crossmembers for Maximum Strength
✔ Direct Bolt-In Installation – No Welding Required
Order Now & Take Your F-100’s Performance to the Next Level!
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