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Qa1

QA1 Mopar Rear Coilover Conversion Systems R153-175 System, Rear, Single Adjustable Coilover, 175 lbs./in. Spring Rate, 8 3/4 and Ford 9 in. Rear, Dodge, Plymouth, Kit

SKU: QAPR153-175

Rear Suspension Packages

Qa1

QA1 Mopar Rear Coilover Conversion Systems R153-175 System, Rear, Single Adjustable Coilover, 175 lbs./in. Spring Rate, 8 3/4 and Ford 9 in. Rear, Dodge, Plymouth, Kit

SKU: QAPR153-175

Rear Suspension Packages
A$4,971.87
LAST ONE! Est Ship 3-5 days. LAST ONE! This is the last unit at our distribution centre. Contact us if you need more. The ETA is the approximate time required to prepare your order for dispatch.
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Description

Upgrade your classic Mopar A, B or E body car to a triangulated four-link design with QA1's Mopar rear coilover conversion systems. These QA1 conversion systems will transform the way your classic Mopar launches, handles, and cruises down the road! The great-looking powdercoated components improve performance and save weight—plus, you'll enjoy a much more modern driving feel and improved handling in any setting. Order QA1's Mopar rear coilover conversion system for your application.

Additional features:

* Proven triangulated 4-link design is popular with street/strip machines, pro-touring/road racers and autocross drivers
* Available for Mopar 8 3/4 in., Ford 9 in. and Dana 60 rear axles
* Improved traction during launch
* Easy installation that requires minimal welding
* Supports both standard and inboard spring locations
* Gain greater anti-squat and pinion angle adjustability
* Correct your wheelbase to fit larger wheels and tires
* Has clearance for 3 in. over the axle exhaust
* Single- and double-adjustable shocks eligible for limited lifetime warranty by the manufacturer
* You can add the optional rear sway bar to further reduce body roll during hard launches and cornering
* Made in the USA

Part Type

Coilover Adjustable Spring Lowering Kit

Data: v4.2 - Upd: 2026-10-15 08:52:34

Features

  • Adjustable shock valving options for all driving styles
  • Best-in-class warranty
  • Easy bolt-in install
  • Made in the USA
  • QA1 uniquely engineered to enhance the performance of your vehicle
  • Ride height adjustability

Specifications

Product Attributes - Brand
QA1
Product Attributes - Manufacturer's Part Number
R153-175
Product Attributes - Part Type
Rear Suspension Packages
Product Attributes - Product Line
QA1 Mopar Rear Coilover Conversion Systems
Product Attributes - UPC
806990163110
Product Attributes - Third Member Included
No
Product Attributes - Axle Shafts Included
No
Product Attributes - Upper Control Arms Included
No
Product Attributes - Lower Control Arms Included
No
Product Attributes - Air Bags Included
No
Product Attributes - Rear Shocks/Struts Included
Yes
Product Attributes - Rear Shock Type
Single adjustable coilover
Product Attributes - Coilover Springs Included
Yes
Product Attributes - Coilover Spring Rate (lbs/in)
175 lbs./in.
Product Attributes - Spring Finish
Black
Product Attributes - Suspension Package Finish
Black powdercoated
Product Attributes - Bushings Included
Yes
Product Attributes - Bushing Material
Spherical bearing
Product Attributes - Sway Bar Included
No
Product Attributes - Watts Link Included
No
Product Attributes - Panhard Bar Included
No
Product Attributes - Adjustable Panhard Bar Included
No
Product Attributes - Upper Trailing Arms Included
Yes
Product Attributes - Adjustable Upper Trailing Arms Included
Yes
Product Attributes - Adjustable Upper Trailing Arms Type
Double adjustable
Product Attributes - Lower Trailing Arms Included
Yes
Product Attributes - Adjustable Lower Trailing Arms Included
Yes
Product Attributes - Adjustable Lower Trailing Arms Type
Single adjustable
Product Attributes - Trailing Arm Mount Braces Included
Yes
Product Attributes - Trailing Arm Hardware Included
Yes
Product Attributes - Rotors Included
No
Product Attributes - Calipers Included
No
Product Attributes - Quantity
Sold as a kit.
Product Attributes - Notes
Kit for use with Mopar 8 3/4 and Ford 9 in. rear differentials.

Reference Information

Brand Name/s Qa1
StreetFX SKU qapR153-175
SFX Item ID 4785876
Supplier Item Code 4785876
Manufacturer SKU R153-175
Manufacturer UPC 806990163110
Alternative References QA1R153-175, Qa1

Compatibility

Application Data
  • UniversalNo
    MakeDODGE
    ModelCHARGER
    Submodel500
    Beginning Year1969
    Ending Year1969
    Axle ModelChrysler 8.75 in.
  • UniversalNo
    MakeDODGE
    ModelCHARGER
    Submodel500
    Beginning Year1969
    Ending Year1969
    Axle ModelFord 9 in.
  • UniversalNo
    MakeDODGE
    ModelCHARGER
    Submodel500
    Beginning Year1970
    Ending Year1970
    Axle ModelChrysler 8.75 in.
  • UniversalNo
    MakeDODGE
    ModelCHARGER
    Submodel500
    Beginning Year1970
    Ending Year1970
    Axle ModelFord 9 in.
  • UniversalNo
    MakeDODGE
    ModelCHARGER
    SubmodelBASE
    Beginning Year1968
    Ending Year1968
    Axle ModelChrysler 8.75 in.
  • UniversalNo
    MakeDODGE
    ModelCHARGER
    SubmodelBASE
    Beginning Year1968
    Ending Year1968
    Axle ModelFord 9 in.
  • UniversalNo
    MakeDODGE
    ModelCHARGER
    SubmodelBASE
    Beginning Year1969
    Ending Year1969
    Axle ModelChrysler 8.75 in.
  • UniversalNo
    MakeDODGE
    ModelCHARGER
    SubmodelBASE
    Beginning Year1969
    Ending Year1969
    Axle ModelFord 9 in.
  • UniversalNo
    MakeDODGE
    ModelCHARGER
    SubmodelBASE
    Beginning Year1970
    Ending Year1970
    Axle ModelChrysler 8.75 in.
  • UniversalNo
    MakeDODGE
    ModelCHARGER
    SubmodelBASE
    Beginning Year1970
    Ending Year1970
    Axle ModelFord 9 in.
  • UniversalNo
    MakeDODGE
    ModelCHARGER
    SubmodelDAYTONA
    Beginning Year1969
    Ending Year1969
    Axle ModelChrysler 8.75 in.
  • UniversalNo
    MakeDODGE
    ModelCHARGER
    SubmodelDAYTONA
    Beginning Year1969
    Ending Year1969
    Axle ModelFord 9 in.
  • UniversalNo
    MakeDODGE
    ModelCHARGER
    SubmodelR/T
    Beginning Year1968
    Ending Year1968
    Axle ModelChrysler 8.75 in.
  • UniversalNo
    MakeDODGE
    ModelCHARGER
    SubmodelR/T
    Beginning Year1968
    Ending Year1968
    Axle ModelFord 9 in.
  • UniversalNo
    MakeDODGE
    ModelCHARGER
    SubmodelR/T
    Beginning Year1969
    Ending Year1969
    Axle ModelChrysler 8.75 in.
  • UniversalNo
    MakeDODGE
    ModelCHARGER
    SubmodelR/T
    Beginning Year1969
    Ending Year1969
    Axle ModelFord 9 in.
  • UniversalNo
    MakeDODGE
    ModelCHARGER
    SubmodelR/T
    Beginning Year1970
    Ending Year1970
    Axle ModelChrysler 8.75 in.
  • UniversalNo
    MakeDODGE
    ModelCHARGER
    SubmodelR/T
    Beginning Year1970
    Ending Year1970
    Axle ModelFord 9 in.
  • UniversalNo
    MakeDODGE
    ModelCHARGER
    SubmodelSE
    Beginning Year1969
    Ending Year1969
    Axle ModelChrysler 8.75 in.
  • UniversalNo
    MakeDODGE
    ModelCHARGER
    SubmodelSE
    Beginning Year1969
    Ending Year1969
    Axle ModelFord 9 in.
  • UniversalNo
    MakeDODGE
    ModelCORONET
    Submodel440
    Beginning Year1968
    Ending Year1968
    Axle ModelChrysler 8.75 in.
  • UniversalNo
    MakeDODGE
    ModelCORONET
    Submodel440
    Beginning Year1968
    Ending Year1968
    Axle ModelFord 9 in.
  • UniversalNo
    MakeDODGE
    ModelCORONET
    Submodel440
    Beginning Year1969
    Ending Year1969
    Axle ModelChrysler 8.75 in.
  • UniversalNo
    MakeDODGE
    ModelCORONET
    Submodel440
    Beginning Year1969
    Ending Year1969
    Axle ModelFord 9 in.
  • UniversalNo
    MakeDODGE
    ModelCORONET
    Submodel440
    Beginning Year1970
    Ending Year1970
    Axle ModelChrysler 8.75 in.

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