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  See all Suspension products
QA1 7" Length 5-650 Valve 5Q Rebound Adjustable Twin Tube Circle Track Shock - 5Q75-650R

QA1 5Q75-650R Twin Tube Shock Absorbers

When it comes to racing, performance and reliability are key. The QA1 5Q75-650R Twin Tube Shock Absorbers are designed specifically for racers who demand precision and tunability. This large body steel shock, previously known as the 51 and 53 series, combines advanced engineering with user-friendly features to enhance your racing experience.

Key Features

  • Rebuildable Design: Easily re-valve and rebuild your shocks in just minutes with basic tools, allowing for quick adjustments at the track.
  • Two-Piece Body: Simplifies the disassembly and reassembly process, making maintenance a breeze.
  • Easy Assembly: The gland features relief cuts and a hyper screw port, facilitating easy filling and bleeding during assembly.
  • Upgraded Seal Kit: Designed to minimize leaks, especially in high-rebound applications, ensuring consistent performance.
  • Compression Tube Design: The slip fit design simplifies the rebuild process, saving you time and effort.
  • Laser-Engraved Closure Nut: The black-anodized closure nut makes it easy to read serial numbers and valving both at the track and in the shop.

Specifications

  • Type: Twin Tube
  • Body Diameter: 2-1/16"
  • 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: Suitable for Street Stock, Hobby Stock, B-Mod/Sport Mod, and Modified racing classes.

Fitment

The 5Q75-650R is designed to fit a variety of racing applications, ensuring that you can tune your vehicle for optimal performance on the track. With its versatile design, you can easily adapt it to your specific needs.

Customer Insights

Racers have praised the 5Q75-650R for its remarkable consistency and ease of use. Many appreciate the quick adjustment capabilities, allowing them to fine-tune their setup without extensive downtime. The robust construction and effective sealing have also received high marks, particularly in demanding racing conditions.

Other Part Numbers:
QA1 #qap5Q75-650R

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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