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Auto Barn
Est. 1957
QA1

QAP Susp. Conversion System

$12780.83

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Fits 1970-1974 Dodge Challenger and Plymouth Barracuda. Level 3 kit with MOD series coilovers featuring modular valve packs, tubular K-member, and triangulated 4-link rear.

Key Features

  • Fits 1970-1974 Dodge Challenger and Plymouth Barracuda (Mopar E-body).
  • MOD series coilovers with low-speed and high-speed bleed adjustability for precise tuning.
  • Modular valve packs allow drastic valving changes without removing shocks from the car.
  • Tubular K-member reduces weight and clears long tube headers.
  • Modular motor mounts support engine swaps including Gen 3 Hemi.
  • Rack-and-pinion steering for direct, responsive feel.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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Professional difficulty to install

Front bolts in, but rear 4-link requires cutting and welding on the frame and axle housing. Requires 18-inch or larger wheels.

About this part

Product Details

When Proma Star adjustability is not enough, the QA1 Level 3 Handling Kit steps up with MOD series coilovers built specifically for racers. This kit fits 1970-1974 Dodge Challengers and Plymouth Barracudas and is built for drivers who want maximum tunability.

MOD Series Coilovers

The difference between Level 2 and Level 3 comes down to the shocks. MOD series coilovers meet the high force curve requirements of today's top pro touring drivers. Low-speed and high-speed bleed adjustability let you fine-tune handling characteristics independently. Modular valve packs allow drastic valving changes without ever taking the shocks off the car -- swap valve packs trackside between sessions to dial in your setup.

Front Suspension

A tubular K-member replaces the heavy factory unit, reducing weight and clearing long tube headers. Modular motor mounts handle engine swaps including Gen 3 Hemis. Tubular control arms and rack-and-pinion steering complete the front end transformation. Everything up front bolts in without cutting or welding.

Rear Suspension

A triangulated 4-link rear suspension replaces factory leaf springs for a more planted, consistent feel. The design corrects the wheelbase and makes room for larger wheels and tires. Front and rear sway bars reduce body roll during hard cornering and launches.

Compatibility

  • 2-4 inches of ride height drop

  • Works with 8-3/4-inch, Ford 9-inch, and Dana 60 rear axles

  • Requires 18-inch or larger wheels

  • Mustang II-style spindles for broad brake compatibility

  • Motor mounts sold separately

  • Gen 3 Hemi power steering pumps need a pressure reducer and cooler

Powder-coated tubular components with all hardware. Made in the USA.

Specifications

Brand
QA1
Manufacturer Part #
HK33-CRE1

Frequently Asked Questions

QAP Susp. Conversion System

$12780.83