Newly Redesigned Mustang K-Members Released by QA1


New from QA1 – a newly redesigned bolt-on K-members for 1979-2004 Mustangs offer significant weight savings for street performance and racing. See more details below.

Official Release:

Get significant weight savings for 1979-2004 Mustangs with QA1’s newly redesigned bolt-on K-members for both street performance and racing.

Made in the USA, these Mustang K-members are fabricated from high-quality American-made HSLA steel and offer a significant 50% weight reduction over stock. While a factory K-member weighs anywhere from 50 to 55 lbs, the entire QA1 K-member weighs 25 lbs., making it one of the lightest on the market.

Ideal for street performance, autocrossing, pro touring or drag racing, the K-members maintain optimum anti-dive geometry and minimize bump steer issues on Mustangs with a lowered stance, but can also provide stability on Mustangs that still want to maintain a factory ride height. Stainless steel rack relocation inserts also allow you to select your rack height, giving you 1” of adjustment to customize steering geometry and tune bump steer characteristics. And because they retain the factory wheel base, these K-members easily bolt on to factory components without any wheel or tire fitment changes. They also provide increased header clearance to allow for changes in exhaust and require the use of coil-over kits.

Another beneficial feature of the Mustang K-members is the bolt-on engine mounts that can be easily swapped out for future engine changes. Now an engine swap just requires a potential new purchase of an engine mount instead of an entirely new K-member. “Times have changed, and people are making more modifications than ever before on their Fox body and SN95 Mustangs,” says Dave Goldie, QA1 Street Performance and Racing Product Manager. “The header clearance and bolt-on engine mounts will accommodate almost any engine and transmission configuration while still providing increased performance.”

QA1’s full-vehicle handling and drag racing suspension kits for Mustangs have also been updated to include these new K-members, where applicable. All QA1 K-members, tubular suspension components, aluminum shocks and steel struts are made in our Lakeville, Minnesota facility.


  • 50% weight reduction over stock
  • Maintains optimum anti-dive geometry and minimize bump steer issues
  • Easy bolt-on installation

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About the author

Chris McWilliams

Chris McWilliams grew up watching his dad race go-karts around his Southern Indiana home and started racing junior dragsters when he was 10 years old. Chris drove a UMP Mini Stock for two seasons until he totaled his racecar in an accident at Western Kentucky Speedway. He is currently a college student at Oakland City University working on a degree to pay the bills for his dirt racing addiction.
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