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Qa1

QA1 Lowering Kits for 2007-2016 SIERRA 1500, SILVERADO 1500 - LK12-GMT03 Suspension Kit, Coilover, Spindle, Shackle and Hanger, Double Adjustable Shocks, 3-5 in. Front, 4-6 in. Rear, 2WD, Chevy, GMC, Kit

SKU: QAPLK12-GMT03

Suspension Lowering Kits
QA1 Lowering Kits for 2007-2016 SIERRA 1500, SILVERADO 1500 - LK12-GMT03 Suspension Kit, Coilover, Spindle, Shackle and Hanger, Double Adjustable Shocks, 3-5 in. Front, 4-6 in. Rear, 2WD, Chevy, GMC, Kit

Qa1

QA1 Lowering Kits for 2007-2016 SIERRA 1500, SILVERADO 1500 - LK12-GMT03 Suspension Kit, Coilover, Spindle, Shackle and Hanger, Double Adjustable Shocks, 3-5 in. Front, 4-6 in. Rear, 2WD, Chevy, GMC, Kit

SKU: QAPLK12-GMT03

Suspension Lowering Kits
A$6,087.90
Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.
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Description

IMPORTANT NOTICE: Only compatible with trucks that have factory Cast Steel control arms. Offset upper control arm bushings may be required on vehicles lowered more the 2.5 in. to align within the factory specifications. Must be used with 17 in. minimum diameter wheels.

QA1 lowering kits achieve the ideal lowered look for your truck. Available for 2WD and 4WD models, each kit features QA1's front Pro Coil coilovers and Rear Drop Kit, which provide adjustability to achieve the perfect stance, while providing significant improvements to ride quality and performance. For an all-in-one solution to upgrade the suspension of your truck, choose the QA1 lowering kit designed for your vehicle.

Features:

* Easy bolt-in installation
* Adjustable ride comfort and handling ability
-- QA1 Proma Star single and double adjustable shocks deliver exceptional ride quality and performance with the simple turn of a dial, allowing you to effortlessly switch between a comfortable cruise and a more aggressive feel for daily driving or twisty backroads
* Adjustable front and rear ride height
-- Fully threaded front coilover shock bodies provide adjustment without the use of clumsy shims or spacers, while the rear drop kits offer 2 in. of adjustment to dial in the final rake of the truck.
* Heavy-duty shock design
-- Upgraded shock with polyurethane bushings (specifically chosen to withstand the daily use of trucks) and a 1 in. chromoly T-bar.
* Lifetime warranty
-- Lifetime coverage of the QA1 shocks
* Rear flip kit, shackle and hanger kits
-- Lower the rear of your truck without compromising ride quality
-- Heavy-gauge steel construction, powdercoated finish, and top-notch hardware guarantee long-lasting performance in any driving conditions

Part Type

Suspension Lowering Kits

Data: v4.2 - Upd: 2026-10-15 16:42:24

Specifications

Product Attributes - Brand
QA1
Product Attributes - Manufacturer's Part Number
LK12-GMT03
Product Attributes - Part Type
Suspension Lowering Kits
Product Attributes - Product Line
QA1 Lowering Kits
Product Attributes - UPC
806990173775
Product Attributes - Primary Front Lowering Component
Coil spring and spindle
Product Attributes - Primary Rear Lowering Component
Shackle/Hanger
Product Attributes - Front Shocks/Struts Included
Yes
Product Attributes - Front Shock Type
Double adjustable coilover
Product Attributes - Rear Shocks/Struts Included
Yes
Product Attributes - Rear Shock Type
Double adjustable coilover
Product Attributes - Hardware Included
Yes
Product Attributes - Quantity
Sold as a kit.
Product Attributes - Notes
Only compatible with trucks that have factory Cast Steel control arms. Offset upper control arm bushings may be required on vehicles lowered more the 2.5 in. to align within the factory specifications. Must be used with 17 in. minimum diameter wheels.

Reference Information

Brand Name/s Qa1
StreetFX SKU qapLK12-GMT03
SFX Item ID 4785528
Supplier Item Code 4785528
Manufacturer SKU LK12-GMT03
Manufacturer UPC 806990173775
Alternative References QA1-LK12-GMT03, Qa1, 2WD

Compatibility

Application Data
  • MakeCHEVROLET
    ModelSILVERADO 1500
    SubmodelCUSTOM
    Beginning Year2016
    Ending Year2016
    Engine TypeV6
    Doors2
    Truck CabStandard
    Truck Bed StyleFleetside/Styleside
    Truck Bed Length (application)Long
    DrivetrainRWD
    Front SuspensionIndependent front suspension
    Number of Lugs6
    Amount of Drop Front4.000-5.000 in.
    Amount of Drop Rear4.000-6.000 in.
    Application NotesOnly compatible with trucks that have factory Cast Steel control arms. Offset upper control arm bushings may be required on vehicles lowered more the 2.5 in. to align within the factory specifications. Must be used with 17 in. minimum diameter wheels.
  • MakeCHEVROLET
    ModelSILVERADO 1500
    SubmodelCUSTOM
    Beginning Year2016
    Ending Year2016
    Engine TypeV6
    Doors2
    Truck CabStandard
    Truck Bed StyleFleetside/Styleside
    Truck Bed Length (application)Short
    DrivetrainRWD
    Front SuspensionIndependent front suspension
    Number of Lugs6
    Amount of Drop Front4.000-5.000 in.
    Amount of Drop Rear4.000-6.000 in.
    Application NotesOnly compatible with trucks that have factory Cast Steel control arms. Offset upper control arm bushings may be required on vehicles lowered more the 2.5 in. to align within the factory specifications. Must be used with 17 in. minimum diameter wheels.
  • MakeCHEVROLET
    ModelSILVERADO 1500
    SubmodelCUSTOM
    Beginning Year2016
    Ending Year2016
    Engine TypeV6
    Doors4
    Truck CabCrew
    Truck Bed StyleFleetside/Styleside
    Truck Bed Length (application)Long
    DrivetrainRWD
    Front SuspensionIndependent front suspension
    Number of Lugs6
    Amount of Drop Front4.000-5.000 in.
    Amount of Drop Rear4.000-6.000 in.
    Application NotesOnly compatible with trucks that have factory Cast Steel control arms. Offset upper control arm bushings may be required on vehicles lowered more the 2.5 in. to align within the factory specifications. Must be used with 17 in. minimum diameter wheels.
  • MakeCHEVROLET
    ModelSILVERADO 1500
    SubmodelCUSTOM
    Beginning Year2016
    Ending Year2016
    Engine TypeV6
    Doors4
    Truck CabCrew
    Truck Bed StyleFleetside/Styleside
    Truck Bed Length (application)Short
    DrivetrainRWD
    Front SuspensionIndependent front suspension
    Number of Lugs6
    Amount of Drop Front4.000-5.000 in.
    Amount of Drop Rear4.000-6.000 in.
    Application NotesOnly compatible with trucks that have factory Cast Steel control arms. Offset upper control arm bushings may be required on vehicles lowered more the 2.5 in. to align within the factory specifications. Must be used with 17 in. minimum diameter wheels.
  • MakeCHEVROLET
    ModelSILVERADO 1500
    SubmodelCUSTOM
    Beginning Year2016
    Ending Year2016
    Engine TypeV6
    Doors4
    Truck CabExtended
    Truck Bed StyleFleetside/Styleside
    Truck Bed Length (application)Long
    DrivetrainRWD
    Front SuspensionIndependent front suspension
    Number of Lugs6
    Amount of Drop Front4.000-5.000 in.
    Amount of Drop Rear4.000-6.000 in.
    Application NotesOnly compatible with trucks that have factory Cast Steel control arms. Offset upper control arm bushings may be required on vehicles lowered more the 2.5 in. to align within the factory specifications. Must be used with 17 in. minimum diameter wheels.
  • MakeCHEVROLET
    ModelSILVERADO 1500
    SubmodelCUSTOM
    Beginning Year2016
    Ending Year2016
    Engine TypeV6
    Doors4
    Truck CabExtended
    Truck Bed StyleFleetside/Styleside
    Truck Bed Length (application)Short
    DrivetrainRWD
    Front SuspensionIndependent front suspension
    Number of Lugs6
    Amount of Drop Front4.000-5.000 in.
    Amount of Drop Rear4.000-6.000 in.
    Application NotesOnly compatible with trucks that have factory Cast Steel control arms. Offset upper control arm bushings may be required on vehicles lowered more the 2.5 in. to align within the factory specifications. Must be used with 17 in. minimum diameter wheels.
  • MakeCHEVROLET
    ModelSILVERADO 1500
    SubmodelCUSTOM
    Beginning Year2016
    Ending Year2016
    Engine TypeV8
    Doors2
    Truck CabStandard
    Truck Bed StyleFleetside/Styleside
    Truck Bed Length (application)Long
    DrivetrainRWD
    Front SuspensionIndependent front suspension
    Number of Lugs6
    Amount of Drop Front4.000-5.000 in.
    Amount of Drop Rear4.000-6.000 in.
    Application NotesOnly compatible with trucks that have factory Cast Steel control arms. Offset upper control arm bushings may be required on vehicles lowered more the 2.5 in. to align within the factory specifications. Must be used with 17 in. minimum diameter wheels.
  • MakeCHEVROLET
    ModelSILVERADO 1500
    SubmodelCUSTOM
    Beginning Year2016
    Ending Year2016
    Engine TypeV8
    Doors2
    Truck CabStandard
    Truck Bed StyleFleetside/Styleside
    Truck Bed Length (application)Short
    DrivetrainRWD
    Front SuspensionIndependent front suspension
    Number of Lugs6
    Amount of Drop Front4.000-5.000 in.
    Amount of Drop Rear4.000-6.000 in.
    Application NotesOnly compatible with trucks that have factory Cast Steel control arms. Offset upper control arm bushings may be required on vehicles lowered more the 2.5 in. to align within the factory specifications. Must be used with 17 in. minimum diameter wheels.
  • MakeCHEVROLET
    ModelSILVERADO 1500
    SubmodelCUSTOM
    Beginning Year2016
    Ending Year2016
    Engine TypeV8
    Doors4
    Truck CabCrew
    Truck Bed StyleFleetside/Styleside
    Truck Bed Length (application)Long
    DrivetrainRWD
    Front SuspensionIndependent front suspension
    Number of Lugs6
    Amount of Drop Front4.000-5.000 in.
    Amount of Drop Rear4.000-6.000 in.
    Application NotesOnly compatible with trucks that have factory Cast Steel control arms. Offset upper control arm bushings may be required on vehicles lowered more the 2.5 in. to align within the factory specifications. Must be used with 17 in. minimum diameter wheels.
  • MakeCHEVROLET
    ModelSILVERADO 1500
    SubmodelCUSTOM
    Beginning Year2016
    Ending Year2016
    Engine TypeV8
    Doors4
    Truck CabCrew
    Truck Bed StyleFleetside/Styleside
    Truck Bed Length (application)Short
    DrivetrainRWD
    Front SuspensionIndependent front suspension
    Number of Lugs6
    Amount of Drop Front4.000-5.000 in.
    Amount of Drop Rear4.000-6.000 in.
    Application NotesOnly compatible with trucks that have factory Cast Steel control arms. Offset upper control arm bushings may be required on vehicles lowered more the 2.5 in. to align within the factory specifications. Must be used with 17 in. minimum diameter wheels.
  • MakeCHEVROLET
    ModelSILVERADO 1500
    SubmodelCUSTOM
    Beginning Year2016
    Ending Year2016
    Engine TypeV8
    Doors4
    Truck CabExtended
    Truck Bed StyleFleetside/Styleside
    Truck Bed Length (application)Long
    DrivetrainRWD
    Front SuspensionIndependent front suspension
    Number of Lugs6
    Amount of Drop Front4.000-5.000 in.
    Amount of Drop Rear4.000-6.000 in.
    Application NotesOnly compatible with trucks that have factory Cast Steel control arms. Offset upper control arm bushings may be required on vehicles lowered more the 2.5 in. to align within the factory specifications. Must be used with 17 in. minimum diameter wheels.
  • MakeCHEVROLET
    ModelSILVERADO 1500
    SubmodelCUSTOM
    Beginning Year2016
    Ending Year2016
    Engine TypeV8
    Doors4
    Truck CabExtended
    Truck Bed StyleFleetside/Styleside
    Truck Bed Length (application)Short
    DrivetrainRWD
    Front SuspensionIndependent front suspension
    Number of Lugs6
    Amount of Drop Front4.000-5.000 in.
    Amount of Drop Rear4.000-6.000 in.
    Application NotesOnly compatible with trucks that have factory Cast Steel control arms. Offset upper control arm bushings may be required on vehicles lowered more the 2.5 in. to align within the factory specifications. Must be used with 17 in. minimum diameter wheels.
  • MakeCHEVROLET
    ModelSILVERADO 1500
    SubmodelCUSTOM
    Beginning Year2016
    Ending Year2016
    Engine TypeV8
    Drivetrain4WD
  • MakeCHEVROLET
    ModelSILVERADO 1500
    SubmodelCUSTOM
    Beginning Year2016
    Ending Year2016
    Engine TypeV8
    DrivetrainRWD
  • MakeCHEVROLET
    ModelSILVERADO 1500
    SubmodelHIGH COUNTRY
    Beginning Year2014
    Ending Year2016
    Engine TypeV8
    Doors2
    Truck CabStandard
    Truck Bed StyleFleetside/Styleside
    Truck Bed Length (application)Long
    DrivetrainRWD
    Front SuspensionIndependent front suspension
    Number of Lugs6
    Amount of Drop Front4.000-5.000 in.
    Amount of Drop Rear4.000-6.000 in.
    Application NotesOnly compatible with trucks that have factory Cast Steel control arms. Offset upper control arm bushings may be required on vehicles lowered more the 2.5 in. to align within the factory specifications. Must be used with 17 in. minimum diameter wheels.
  • MakeCHEVROLET
    ModelSILVERADO 1500
    SubmodelHIGH COUNTRY
    Beginning Year2014
    Ending Year2016
    Engine TypeV8
    Doors2
    Truck CabStandard
    Truck Bed StyleFleetside/Styleside
    Truck Bed Length (application)Short
    DrivetrainRWD
    Front SuspensionIndependent front suspension
    Number of Lugs6
    Amount of Drop Front4.000-5.000 in.
    Amount of Drop Rear4.000-6.000 in.
    Application NotesOnly compatible with trucks that have factory Cast Steel control arms. Offset upper control arm bushings may be required on vehicles lowered more the 2.5 in. to align within the factory specifications. Must be used with 17 in. minimum diameter wheels.
  • MakeCHEVROLET
    ModelSILVERADO 1500
    SubmodelHIGH COUNTRY
    Beginning Year2014
    Ending Year2016
    Engine TypeV8
    Doors4
    Truck CabCrew
    Truck Bed StyleFleetside/Styleside
    Truck Bed Length (application)Long
    DrivetrainRWD
    Front SuspensionIndependent front suspension
    Number of Lugs6
    Amount of Drop Front4.000-5.000 in.
    Amount of Drop Rear4.000-6.000 in.
    Application NotesOnly compatible with trucks that have factory Cast Steel control arms. Offset upper control arm bushings may be required on vehicles lowered more the 2.5 in. to align within the factory specifications. Must be used with 17 in. minimum diameter wheels.
  • MakeCHEVROLET
    ModelSILVERADO 1500
    SubmodelHIGH COUNTRY
    Beginning Year2014
    Ending Year2016
    Engine TypeV8
    Doors4
    Truck CabCrew
    Truck Bed StyleFleetside/Styleside
    Truck Bed Length (application)Short
    DrivetrainRWD
    Front SuspensionIndependent front suspension
    Number of Lugs6
    Amount of Drop Front4.000-5.000 in.
    Amount of Drop Rear4.000-6.000 in.
    Application NotesOnly compatible with trucks that have factory Cast Steel control arms. Offset upper control arm bushings may be required on vehicles lowered more the 2.5 in. to align within the factory specifications. Must be used with 17 in. minimum diameter wheels.
  • MakeCHEVROLET
    ModelSILVERADO 1500
    SubmodelHIGH COUNTRY
    Beginning Year2014
    Ending Year2016
    Engine TypeV8
    Doors4
    Truck CabExtended
    Truck Bed StyleFleetside/Styleside
    Truck Bed Length (application)Long
    DrivetrainRWD
    Front SuspensionIndependent front suspension
    Number of Lugs6
    Amount of Drop Front4.000-5.000 in.
    Amount of Drop Rear4.000-6.000 in.
    Application NotesOnly compatible with trucks that have factory Cast Steel control arms. Offset upper control arm bushings may be required on vehicles lowered more the 2.5 in. to align within the factory specifications. Must be used with 17 in. minimum diameter wheels.
  • MakeCHEVROLET
    ModelSILVERADO 1500
    SubmodelHIGH COUNTRY
    Beginning Year2014
    Ending Year2016
    Engine TypeV8
    Doors4
    Truck CabExtended
    Truck Bed StyleFleetside/Styleside
    Truck Bed Length (application)Short
    DrivetrainRWD
    Front SuspensionIndependent front suspension
    Number of Lugs6
    Amount of Drop Front4.000-5.000 in.
    Amount of Drop Rear4.000-6.000 in.
    Application NotesOnly compatible with trucks that have factory Cast Steel control arms. Offset upper control arm bushings may be required on vehicles lowered more the 2.5 in. to align within the factory specifications. Must be used with 17 in. minimum diameter wheels.
  • MakeCHEVROLET
    ModelSILVERADO 1500
    SubmodelHIGH COUNTRY
    Beginning Year2014
    Ending Year2016
    Engine TypeV8
    Drivetrain4WD
  • MakeCHEVROLET
    ModelSILVERADO 1500
    SubmodelHIGH COUNTRY
    Beginning Year2014
    Ending Year2016
    Engine TypeV8
    DrivetrainRWD
  • MakeCHEVROLET
    ModelSILVERADO 1500
    SubmodelHYBRID
    Beginning Year2009
    Ending Year2013
    Engine TypeV8
    Doors2
    Truck CabStandard
    Truck Bed StyleFleetside/Styleside
    Truck Bed Length (application)Long
    DrivetrainRWD
    Front SuspensionIndependent front suspension
    Number of Lugs6
    Amount of Drop Front4.000-5.000 in.
    Amount of Drop Rear4.000-6.000 in.
    Application NotesOnly compatible with trucks that have factory Cast Steel control arms. Offset upper control arm bushings may be required on vehicles lowered more the 2.5 in. to align within the factory specifications. Must be used with 17 in. minimum diameter wheels.
  • MakeCHEVROLET
    ModelSILVERADO 1500
    SubmodelHYBRID
    Beginning Year2009
    Ending Year2013
    Engine TypeV8
    Doors2
    Truck CabStandard
    Truck Bed StyleFleetside/Styleside
    Truck Bed Length (application)Short
    DrivetrainRWD
    Front SuspensionIndependent front suspension
    Number of Lugs6
    Amount of Drop Front4.000-5.000 in.
    Amount of Drop Rear4.000-6.000 in.
    Application NotesOnly compatible with trucks that have factory Cast Steel control arms. Offset upper control arm bushings may be required on vehicles lowered more the 2.5 in. to align within the factory specifications. Must be used with 17 in. minimum diameter wheels.
  • MakeCHEVROLET
    ModelSILVERADO 1500
    SubmodelHYBRID
    Beginning Year2009
    Ending Year2013
    Engine TypeV8
    Doors4
    Truck CabCrew
    Truck Bed StyleFleetside/Styleside
    Truck Bed Length (application)Long
    DrivetrainRWD
    Front SuspensionIndependent front suspension
    Number of Lugs6
    Amount of Drop Front4.000-5.000 in.
    Amount of Drop Rear4.000-6.000 in.
    Application NotesOnly compatible with trucks that have factory Cast Steel control arms. Offset upper control arm bushings may be required on vehicles lowered more the 2.5 in. to align within the factory specifications. Must be used with 17 in. minimum diameter wheels.

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