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64-66 Mustang QA1 Tubular Front Lower Control Arms

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QA1-52702

QA1 Tubular Lower Front Control Arm Kit for 1964-1966 Ford Mustangs

Upgrade your classic Mustang’s front suspension with the QA1 Tubular Lower Control Arm Kit, engineered to deliver modern handling, increased strength, and long-term durability for 1964–1966 Ford Mustangs. Designed as a direct bolt-in replacement, these control arms eliminate weak factory components and outdated geometry—making them an ideal upgrade for street performance builds and restomods alike.

By replacing the stock stamped arms and separate strut rods with a one-piece tubular design, QA1 dramatically improves suspension rigidity while reducing unwanted flex under load. The result is tighter steering response, improved stability, and a more confident feel behind the wheel.

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Special Notes

IMPROVED GEOMETRY FOR MODERN PERFORMANCE

Factory lower control arms were never intended to handle modern tires, higher cornering loads, or aggressive driving. QA1’s tubular lower arms are designed with optimized suspension geometry that helps your Mustang maintain alignment, corner flatter, and respond more predictably during hard braking and turning.

The integrated strut rod design increases strength while simplifying the front suspension layout, eliminating a known weak point in early Mustangs.

TRUE BOLT-IN DESIGN — NO FABRICATION REQUIRED

Installation is straightforward and garage-friendly. These QA1 lower control arms come fully assembled with ball joints and bushings already installed, saving time and eliminating guesswork. No cutting, welding, or custom fabrication is required—just bolt them in and hit the road.

FEATURES & BENEFITS

  • Direct-fit tubular lower control arms for 1964–1966 Ford Mustangs

  • Strong, lightweight tubular construction outperforms factory stamped arms

  • One-piece design eliminates the factory strut rod

  • Optimized suspension geometry for improved handling and steering feel

  • Pre-installed ball joints and bushings for quick installation

  • Durable black powder-coated finish for long-lasting protection

  • Designed for street performance and restomod applications

  • Sold as a pair

FITMENT & COMPATIBILITY NOTES

  • Fits 1964–1966 Ford Mustangs

  • Replaces the factory lower control arm and separate strut rod

  • Not compatible with OEM or aftermarket strut rods

  • Designed to work only with QA1 sway bar (PN 52802)

  • Not compatible with factory or other aftermarket sway bars

  • Compatible with factory spindles or Proforged spindles

  • Bolt-in installation — no welding or cutting required

SPECIFICATIONS

  • Control Arm Position: Lower

  • Vehicle Location: Front

  • Finish: Black Powder Coat

  • Sold As: Pair

FREQUENTLY ASKED QUESTIONS (FAQs)

What advantages does upgrading to QA1 tubular lower control arms provide for a 1964–1966 Mustang?
Replacing your factory lower control arms with QA1’s tubular design delivers multiple performance benefits. The one-piece construction eliminates weak points found in stock stamped arms, reducing flex under load and improving suspension geometry. This results in sharper steering response, more stable handling, and predictable cornering, making your Mustang feel tighter and more confident on the road. Additionally, the stronger tubular design can better handle modern tires and higher cornering forces, making it ideal for street performance and restomod builds.

Will QA1 lower control arms fit with factory Mustang spindles?
Yes. QA1 tubular lower control arms are designed for direct compatibility with original factory spindles as well as aftermarket Proforged spindles. This ensures a seamless upgrade without additional modifications or fabrication.

Do QA1 lower control arms require welding or custom modifications?
No welding, cutting, or special fabrication is required. These arms are a true bolt-in solution, coming fully assembled with pre-installed ball joints and bushings. With just basic hand tools, you can replace your stock arms and have your Mustang back on the road in no time.

Are QA1 lower control arms compatible with coilover suspension systems?
QA1 tubular lower control arms are engineered to work with QA1 Pro Coil coilovers as well as other QA1 upper control arms and sway bars. This makes them a flexible upgrade for anyone building a modernized front suspension on their classic Mustang.

Which suspension upgrades should I prioritize on a classic Mustang?
For classic Mustangs, the most impactful starting upgrades are lower control arms, coilovers, and sway bars. Installing QA1 tubular lower control arms immediately strengthens the front suspension and improves geometry, providing a solid foundation for additional performance upgrades. Once control arms are upgraded, coilovers, tubular upper control arms, and sway bars can be added to further enhance handling, reduce body roll, and optimize alignment for performance driving.

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  • FREE SHIPPING on orders *$199 or more
  • This item ships in its own box.

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