$252 Off

QA1 RCK52411 Rear Pro Coil Shock System, 79-04 Mustang MOD Series

$252 Off

#721RCK52411

QA1 RCK52411 Rear Pro Coil Shock System, 79-04 Mustang MOD Series

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.

$2,337.95

Factory Shipped

$2,590.07

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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

Position	Rear
Spring Rate	175 lbs.
Shock Adjustability	Double Adjustable
Shock Type	Twin Tube
Shock Body Material	Aluminum

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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

Guides & Documents

Coilovers Installation Instructions (721RCK52411)

Warranty (QA1)

Technical Information (QA1)

CA WARNING:

Can expose you to lead, a carcinogen and reproductive toxicant. See www.P65Warnings.ca.gov

QA1 RCK52411 Specifications

KEY SPECS
MFG. Part #	RCK52411
Brand	QA1
Position	Rear
Spring Rate	175 lbs.
Shock Adjustability	Double Adjustable
Shock Type	Twin Tube
Shock Body Material	Aluminum
Upper Shock Mount	Bushed Eyelet
Lower Shock Mount	Bushed Eyelet
Height Adjustable	Yes
Finish	Anodized

GENERAL
Compressed Length	11.5"
Extended Length	16.88"
Number of Valving Selections	576
Coilover Springs Included	Yes
Bushing Material	Spherical bearing
Body Diameter	3"
Sold in Quantity	Pair
Hardware Included	Yes
Crossmember Included	No
Welding Required	No
Gas Charged	No
Suspension Height Adjustment	0.0-2.0 Inch Lowered
Spring Finish	Powder Coated
Notes	Will not fit Cobra Independent Rear Suspension(IRS).
GTIN Code	806990174567
Adjustable Valving	Yes
Adjustable Mounting Bracket Included	No
Bushing Color	Natural
Lower Mount	Eyelet
Upper Mount	Eyelet
Shocks Included	Yes

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Fitment

1979-2004 Ford Mustang