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QA1 7" Length 5-400 Valve 5Q Rebound Adjustable Twin Tube Circle Track Shock
$319.95
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QA1 5Q75-400R Twin Tube Shocks

Get ready to take your racing game to the next level with the QA1 5Q75-400R Twin Tube Shocks. Designed for serious racers, these shocks deliver the performance and consistency that you need on the track. The 5Q series, previously known as the 51 and 53 series, features a robust steel construction available in both bearing mount and stock mount configurations. Whether you're racing in Street Stock, Hobby Stock, B-Mod/Sport Mod, or Modified classes, these shocks are engineered to meet your needs.

Key Features

  • Quick and easy re-valving and rebuilding in just minutes with basic tools.
  • Two-piece body design allows for straightforward disassembly and reassembly.
  • Innovative gland design with relief cuts and a hyper screw port for easy filling and bleeding.
  • Upgraded seal kit significantly reduces leaks, especially during high-rebound applications.
  • Compression tube features a slip fit design, simplifying the rebuild process.
  • Laser-engraved, black-anodized closure nut for easy readability of serial numbers and valving settings.

Specifications

  • Type: Twin Tube
  • Body Diameter: 2-1/16 inches
  • Body Material: Steel
  • Body Finish: Black zinc
  • Threaded Body: No
  • Mounting: Bearing Mount
  • Adjustable Valving: Rebound-adjustable
  • Piston: Linear or Linear Digressive
  • Base Valve: Yes
  • Gas Charged: No
  • Coil-Over Compatible: Yes
    • CK5Q70-2-1/2" ID Spring, 7" shock
    • CK5Q71-5" OD Spring, 7" Shock
    • CK5Q90-2-1/2" ID Spring, 9" Shock
    • CK5Q91-5" OD Spring, 9" Shock
  • Applications: Street Stock, Hobby Stock, B-Mod/Sport Mod, Modified

Fitment

The QA1 5Q75-400R shocks are compatible with a variety of racing applications, ensuring that you have the right fit for your vehicle. With options for both bearing mount and stock mount configurations, these shocks are versatile enough to meet the demands of any racing setup.

What Users Are Saying

"These shocks have made a noticeable difference in my car's handling. The ability to adjust rebound settings on the fly is a game changer!"

"I love how easy it is to rebuild these shocks. The two-piece design is intuitive, and I can do it in my garage without any special tools."

"The black zinc finish not only looks great but also holds up well under tough conditions. I’ve had no issues with leaks since switching to these shocks."

"The tuning options are fantastic. I can really dial in my setup for different tracks and conditions, which has improved my lap times significantly."

"Highly recommend these shocks for anyone serious about racing. They perform consistently and are easy to maintain!"

Watch and Learn

Other Part Numbers:
QA1 #qap5Q75-400R

Proposition 65

WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

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Who is QA1?

QA1 is a company that was founded in 1993. They specialize in manufacturing high-quality suspension parts, shock absorbers, composite driveshafts, bearings, steering components, and other related accessories. Their products are used in different industries such as the industrial, motorsports, and automotive sectors. Today, they are the leading manufacturer of OE parts in the market.

Suspension Experts

The company is best known for its motion control sub-assemblies and wide range of suspension systems. They are always searching for new ways to develop each component to enhance their products further. 

State-of-the-Art Facility

The company is housed in one of the most sophisticated facilities in the market to accommodate the increasing demands of its customers. With 100,000 square feet at their disposal, their facility contains high-tech equipment such as a CNC machine, laser cutting equipment, hydraulic presses, and filament windings. It allows them to manufacture the best product in the market.

QA1 is also one of the few companies that are ISO certified. It guarantees that their parts are manufactured consistently, following the standards put in place by the company and the regulators.

Purchase QA1 Products At Vivid Racing

If you are in the market for quality suspension parts for your vehicle, then QA1 is the brand for you. They have been manufacturing components for the last 28 years and have consistently given their customers parts that meet their demand. To know more about QA1, visit Vivid Racing and check out their list of parts that meet your demand.



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