QA1 79-93 Ford Mustang (K8259) +.500in Stud Lower Press-In Style Ball Joint - 1210-297P

QA1's Ultimate Ball Joint is available in a Press-In Style for a variety of Mustangs. A 100% owner rebuildable design, the Ultimate Ball Joint is a QA1 exclusive. This patented, self-lubricating ball joint is offered with multiple stud lengths, providing for easy geometry changes on your vehicle. Ultimate Low Friction Operation - Get a completely smooth, bind-free operation with infinite preload adjustment that allows breakaway torque to be set as low as 0 ft. lbs. Wear Resistant Design - Precision tolerance ball-to-race conformity results in even load distribution for unsurpassed wear resistance. Precision ground 52100 bearing steel race ensures long life and ultra-smooth operation. On-the-Car Adjustability - No need to remove the ball joint from the car for adjustment. Self-Lubricating - Fully greasable enhanced by self-lubricating components to ensure smooth operation. Multiple Stud Lengths Available - Various ball studs are available for easy geometry changes. Fine tune your roll center. Owner Rebuildable - Rebuilding is simple. All parts are replaceable at economical prices.

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Please note image may vary from product. Also, some items are special order. If delivery time is a concern, please contact us prior to purchase. 

Fidanza Performance is excited to offer QA1 Suspension

About - QA1 Suspension​

QA1 Precision Products, Inc., founded in 1993 and based in Lakeville, Minnesota, is a leading American manufacturer of high-performance suspension and driveline components. The company is known for producing quality coil-over kits, control arms, sway bars, adjustable shocks, and carbon fiber driveshafts, primarily for muscle cars, classic trucks, drag racing, and pro-touring builds.

QA1 stands out for its in-house engineering and manufacturing, with most products made in the USA. Their suspension systems are especially popular among enthusiasts looking to modernize older vehicles like Chevelles, Mustangs, and classic GM and Ford trucks. Known for their adjustability and durability, QA1 products are widely respected across both street and track applications.

With a strong reputation for quality and performance, QA1 supports the automotive community through events, sponsorships, and their annual open house. Their accessible performance upgrades have made them a trusted name in the aftermarket suspension world.

Fidanza Performance, founded in 1997, is a leading US manufacturer of high-quality lightweight aluminum flywheels, precision adjustable cam gears, and high-performance clutches. With nearly 20 years in the automotive performance market, Fidanza is renowned for its expertise and respected globally, offering products for a wide range of vehicles, from European sports cars to modern muscle cars and imports. The company originated in racing, with founder Lou Fidanza's success in the SCCA leading to the creation of specialty parts like aluminum flywheels. Fidanza has since expanded its product line to include cam gears and performance clutches, gaining a loyal customer base and worldwide recognition. In 2023 Fidanza opened the SpeedParts4Less Marketplace which sells other manufacturers quality high performance parts!