Product Summary

79-04 Ford Mustang, Rear Position, 95 lbs. Spring Rate

  • QA1's rear coil-over conversion kit for Mustangs includes adjustable aluminum shocks, springs, mounting brackets, and all necessary hardware for bolt-in installation.
  • The coilovers offer up to 2" of lowering from stock, allowing easy ride height adjustments with a fully threaded aluminum body.
  • The 18-way single-adjustable shocks are designed for both street and track use, offering flexible tuning for comfort or performance.
  • The kit features easy, bolt-in installation, ensuring compatibility and hassle-free performance upgrades.
  • Made in the USA, but is not compatible with Cobra IRS models.
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Key Specs

PositionRear
Spring Rate95 lbs.
Shock AdjustabilityDouble Adjustable
Shock TypeTwin Tube
Shock Body MaterialAluminum
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Need To Know

Quick and Easy Returns

Return Policy

QA1 RCK52401 Details

Improve your Mustang's suspension with QA1's bolt-in rear coil-over conversion kit. This kit includes specially designed mounting brackets, adjustable aluminum shocks, springs, and all necessary hardware.

 

Ride Height Adjustability

We understand that achieving the perfect stance for your car can be a challenge. That's why we've created a solution that makes it easy to adjust your ride height. QA1 coilovers feature a fully threaded, aluminum body which allows up-to 2” of lowering from stock. 

 

Single-Adjustable Coil-Overs

QA1’s 18-way adjustable single-adjustable shocks are tailored for street-driven cars that also hit the track. With a simple turn of the knob, you can adjust your shocks for a comfortable ride or a more aggressive valving, depending on your needs.

 

EASY, BOLT-IN INSTALLATION

Our commitment to thoughtful product design is evident in every product we produce, to deliver the highest level of performance, while ensuring trouble-free compatibility.

 

Best In-Class Lifetime Warranty

Register at QA1.net/warranty for lifetime coverage of your QA1 shocks.

 

MADE IN THE USA

QA1 coilovers are proudly made in Lakeville, Minnesota.

 

FITMENT NOTES

Does not fit Cobra IRS

QA1 RCK52401 Specifications

KEY SPECS
MFG. Part #RCK52401
BrandQA1
PositionRear
Spring Rate95 lbs.
Shock AdjustabilityDouble Adjustable
Shock TypeTwin Tube
Shock Body MaterialAluminum
Upper Shock MountBushed Eyelet
Lower Shock MountBushed Eyelet
Height AdjustableYes
FinishPolished
GENERAL
Compressed Length11.63"
Extended Length16.88"
Number of Valving Selections18
Coilover Springs IncludedYes
Bushing MaterialPolyurethane
Sold in QuantityPair
Hardware IncludedYes
Crossmember IncludedNo
Welding RequiredNo
Gas ChargedNo
Suspension Height Adjustment0.0-2.0 Inch Lowered
Spring FinishPowder Coated
NotesWill not fit Cobra Independent Rear Suspension(IRS).
GTIN Code806990174468
Adjustable ValvingYes
Adjustable Mounting Bracket IncludedNo
Bushing ColorBlack
Lower MountEyelet
Upper MountEyelet
Shocks IncludedYes

Questions & Answers

Fitment

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