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Seasonal Pick Qa1 Pro Rear Weld-in Coil-over System - Mod Series - 12in X 110lbs/in - 3in Tube - Aluminum Up To 30% Off [i58nTDdt]

$115.99 $371.99 -69%

QA1 Pro-Rear Weld-In Coil-Over System - MOD SeriesIntroducing the QA1 Pro-Rear Weld-In Coil-Over System - MOD Series, the ultimate upgrade for your rear suspension. This state-of-the-art system is designed to enhance the performance and handling of y

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QA1 Pro-Rear Weld-In Coil-Over System - MOD Series

Introducing the QA1 Pro-Rear Weld-In Coil-Over System - MOD Series, the ultimate upgrade for your rear suspension. This state-of-the-art system is designed to enhance the performance and handling of your vehicle, whether you're on the drag strip, the street, or customizing a street rod. With its double adjustable, single adjustable, and ride-sensitive valving non-adjustable options, the QA1 Pro-Rear System offers unparalleled customization and performance. Each adjustment has been meticulously defined to provide the ideal horse curve, maximizing your vehicle's performance and ensuring a smooth ride.
  • Double Adjustable for precise control over compression and rebound.
  • Single Adjustable for easy setup and performance optimization.
  • Ride Sensitive valving for a balanced and comfortable ride.

Technical Specifications and Features

The QA1 Pro-Rear System is built to the highest standards, featuring lightweight aluminum construction and precision engineering. Each system is 100% dyno tested and serialized for quality assurance. The coil-over design allows for adjustable ride height, while the solid piston rod and three-step sealing system ensure long-lasting durability. The aluminum piston with PTFE piston band and 5/8" centerless ground, hard chrome plated rod provide exceptional performance and reliability. This system is available to fit 3" or 3.25" diameter axle tubes, making it versatile for a wide range of vehicles.
  • Lightweight Aluminum Construction for reduced weight and improved performance.
  • 100% Dyno Tested and Serialized for guaranteed quality.
  • Revalveable and Rebuildable by QA1 Factory or authorized service centers.

Applications and Benefits

The QA1 Pro-Rear Weld-In Coil-Over System - MOD Series is perfect for drag racing, street performance, and street rod applications. Its advanced features and durable construction make it an ideal choice for drivers and enthusiasts seeking to enhance their vehicle's performance and handling. Whether you're looking for a competitive edge on the track or a smooth and comfortable driving experience on the road, this system delivers. With the QA1 Pro-Rear System, you can expect increased stability, improved cornering, and a more connected driving experience.
  • Drag Racing: Enhanced acceleration and stability for competitive performance.
  • Street Performance: Improved handling and comfort for daily driving.
  • Street Rods: Customizable and reliable suspension solution.

What Our Customers Say

January 12, 2026

Absolutely no complaints!

A fantastic item with a truly great design.

- Zayden L..

January 12, 2026

Absolutely no complaints!

The quality is much better than I expected.

- Scott W..

January 12, 2026

Absolutely no complaints!

I'm happy with the item. It's solid.

- Shari X..

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