Product Summary

79-04 Ford Mustang, Rear Position, 175 lbs. Spring Rate

  • QA1's rear coil-over conversion kit for Mustangs includes adjustable aluminum shocks, springs, and all necessary mounting hardware.
  • The kit allows ride height adjustability with a fully threaded aluminum body for up to 2” of lowering from stock.
  • MOD Series Coil-Overs offer 4-way adjustable valving for high and low-speed compression and rebound, providing total control for race car suspension.
  • Designed for maximum performance with independent tunability for various applications.
  • The kit does not fit Mustangs with Cobra IRS (Independent Rear Suspension).
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Key Specs

PositionRear
Spring Rate175 lbs.
Shock AdjustabilityDouble Adjustable
Shock TypeTwin Tube
Shock Body MaterialAluminum
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Need To Know

Quick and Easy Returns

Return Policy

QA1 RCK52411 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. 
 

MOD Series Coil-Overs

Take total control of your race car suspension with 4-way adjustable valving offering independent tunability of both high and low speed compression and rebound. These shocks offer the most versatile package for ultimate performance in any application. When you are making no compromises, the MOD series coilover is the shock for you.
 

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.
 

MADE IN THE USA

QA1 coilovers are proudly made in Lakeville, Minnesota.

 

FITMENT NOTES

Does not fit Cobra IRS

QA1 RCK52411 Specifications

KEY SPECS
MFG. Part #RCK52411
BrandQA1
PositionRear
Spring Rate175 lbs.
Shock AdjustabilityDouble Adjustable
Shock TypeTwin Tube
Shock Body MaterialAluminum
Upper Shock MountBushed Eyelet
Lower Shock MountBushed Eyelet
Height AdjustableYes
FinishAnodized
GENERAL
Compressed Length11.5"
Extended Length16.88"
Number of Valving Selections576
Coilover Springs IncludedYes
Bushing MaterialSpherical bearing
Body Diameter3"
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 Code806990174567
Adjustable ValvingYes
Adjustable Mounting Bracket IncludedNo
Bushing ColorNatural
Lower MountEyelet
Upper MountEyelet
Shocks IncludedYes

Questions & Answers

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