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QA1 +0.5" Stud Press-In Style Ball Joint K5103
$86.95

QA1 Ultimate Ball Joint - Model 1210-211P

Revitalize your racing experience with the QA1 Ultimate Ball Joint, designed specifically for a wide range of racing applications. This innovative, press-in style ball joint stands out with its unique features that cater to the needs of performance enthusiasts.

Key Features

  • Owner Rebuildable Design: Enjoy the convenience of a 100% owner rebuildable ball joint, allowing you to maintain peak performance without the need for professional assistance.
  • Self-Lubricating Technology: The patented self-lubricating design ensures smooth operation, minimizing friction and wear over time.
  • Multiple Stud Lengths: With various stud lengths available, you can easily make geometry changes to suit your specific racing needs.
  • Infinite Preload Adjustment: Customize your setup effortlessly, with breakaway torque adjustable as low as 0 ft. lbs., ensuring a completely smooth and bind-free operation.
  • Precision Tolerance: Experience superior load distribution due to precision ball-to-race conformity, leading to exceptional wear resistance.
  • Durable Construction: Made from precision ground 52100 bearing steel, this ball joint guarantees a long lifespan and ultra-smooth functionality.
  • No Removal Needed for Adjustment: Adjustments can be made without the hassle of removing the ball joint from your vehicle.
  • Cost-Effective Maintenance: All components are replaceable at economical prices, making it easy to keep your ball joint in top shape.

Specifications

  • Interchanges with Moog: K5103
  • Length: 0.5 inches longer than standard

For detailed installation instructions, refer to the Installation Guide.

Customer Insights

Users have praised the QA1 Ultimate Ball Joint for its easy adjustability and robust construction. Many have noted how the self-lubricating feature significantly reduces maintenance time, allowing them to focus more on their racing performance. The ability to fine-tune the roll center has also been highlighted as a game-changer for achieving optimal handling.

Other Part Numbers:
QA1 #qap1210-211P

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 $80.41
Shipping Weight: 2.00
Length: 6
Width: 4
Height: 3
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 $68.14 $89.07 ? $86.95 ? 2025-07-11 10:44:44

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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