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QA1 3" Length 4-13 Valve Rebound Adjustable Twin Tube Large Body Circle Track Shock - 5Q94-13R

QA1 5Q94-13R Twin Tube Shocks

If you're a racer looking for reliable performance and tunability, the QA1 5Q94-13R twin tube shocks are designed to meet your needs. These shocks, formerly known as the 51 and 53 series, are built with a large steel body available in both bearing mount and stock mount configurations, making them versatile for various racing applications.

Key Features

  • Rebuildable and re-valvable in minutes with basic tools, perfect for on-the-go adjustments.
  • Two-piece body design simplifies disassembly and reassembly, reducing downtime.
  • Gland features relief cuts and a hyper screw port for easy filling and bleeding during assembly.
  • Upgraded seal kit minimizes leaks, particularly beneficial for high-rebound scenarios.
  • Compression tube employs a slip fit design for hassle-free rebuilds.
  • Laser-engraved, black-anodized closure nut ensures serial numbers and valving are easy to read, whether at the track or in the shop.

Specifications

  • Type: Twin Tube
  • Body Diameter: 2-1/16"
  • Body Material: Steel
  • Body Finish: Black zinc
  • Mounting: Bearing Mount
  • Adjustable Valving: Rebound-adjustable
  • Piston: Linear or Linear Digressive
  • Base Valve: Yes
  • Coil-Over Compatible: Yes
  • Applications: Street Stock, Hobby Stock, B-Mod/Sport Mod, Modified

Fitment Options

The 5Q94-13R shocks can be used in coil-over configurations when paired with the appropriate kits, which are sold separately. Here are some compatible spring options:

  • CK5Q70-2-1/2" ID Spring for 7" shock
  • CK5Q71-5" OD Spring for 7" shock
  • CK5Q90-2-1/2" ID Spring for 9" shock
  • CK5Q91-5" OD Spring for 9" shock

Customer Insights

Users appreciate the ease of re-valving and rebuilding the 5Q94-13R shocks, highlighting how quickly they can adjust settings between races. Many have noted the high-quality construction, with one customer stating, "The black zinc finish not only looks great but holds up well even in tough conditions." Another racer mentioned, "The scalloped base loop design really helps with clearance in tight spaces, making installation a breeze."

Performance and Reliability

The QA1 5Q94-13R shocks are designed for performance on the track. The combination of high-quality materials and thoughtful engineering ensures consistent handling and responsiveness, allowing racers to focus on their performance without worrying about their equipment.

Watch and Learn

Other Part Numbers:
QA1 #qap5Q94-13R

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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Things
Sale price None
Wholesale price $305.97
Shipping Weight: 5.10
Length: 19
Width: 4
Height: 4
Product Added At Monday 29 January, 2024
Product Modified At Friday 11 July, 2025
Imported By ETLOverride
Last Edited By Turn_API
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Emissions Info
Carb Approved -
Carb Number -
Epa Status N/A
Prop65 Yes
Carb Required -
Vendors
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Vendor Inv Cost Retail Jobber MAP Core Updated
Turn 14 $259.30 $338.95 ? $305.95 ? 2025-07-11 10:44:47

Manufacturer Direct Shipping
This item is available for direct shipping from the manufacturer. Please verify stock availability with the manufacturer. Once confirmed, you can place an order through [Meyer Distributing], who will arrange for dropshipping from the manufacturer directly to our customer.

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