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Qa1

QA1 Lowering Kits for 2007-2016 SIERRA 1500, SILVERADO 1500 - LK12-GMT04 Suspension Kit, Coilover, Spindle, Shackle and Hanger, Double Adjustable Shocks, 3-5 in. Front, 4-6 in. Rear, 4WD, Chevy, GMC, Kit

SKU: QAPLK12-GMT04

Suspension Lowering Kits

Qa1

QA1 Lowering Kits for 2007-2016 SIERRA 1500, SILVERADO 1500 - LK12-GMT04 Suspension Kit, Coilover, Spindle, Shackle and Hanger, Double Adjustable Shocks, 3-5 in. Front, 4-6 in. Rear, 4WD, Chevy, GMC, Kit

SKU: QAPLK12-GMT04

Suspension Lowering Kits
A$5,201.45
LOW STOCK! Est Ship 3-5 days. HURRY! LOW STOCK. This item is in limited stock at one of our distribution centres. The ETA is the approximate time required to prepare your order for dispatch.
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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.

Product Overview The QA1 lowering kit is an all-in-one solution for anyone looking to upgrade the suspension of their 07-18 Silverado 1500 / Sierra 1500's. This kit includes both QA1's front Pro Coil Coil-Overs, drop spindles, and Rear Drop Kit, which provide maximum adjustability to achieve the perfect lowered stance, while providing significant improvements to ride quality and performance. Ride Height Adjustability QA1 lowering kits offer easy and precise adjustments for your truck's stance. Fully threaded front coil-over shock bodies provide adjustment without the use of clumsy shims or spacers, while our rear drop kits offer 2" of adjustment to dial in the final rake of the truck. Front coil-overs provide a drop range of 3"-5" with the included drop spindles. Rear kit provides a drop range of 4-6". With our Heavy Duty Shock Design QA1 Engineers have tackled the challenge of supporting the weight and payload capacity of modern trucks by designing the heavy-duty version of our Pro Coil system, which features an upgraded shock with polyurethane bushings and a 1" chromoly T-bar specifically designed to withstand the daily use of these trucks. Double-Adjustable Shocks Upgrade your Silverado's performance to the next level with QA1 double adjustable Pro Coil shocks. Perfect for both street and track use, double adjustable shocks are famous for their independent rebound and compression tunability, giving you exceptional handling and control over your suspension. Rear Shackles and Hanger KitsQA1's Rear Shackle and Hanger Kits are the ultimate solution for lowering the rear of your truck without compromising ride quality. Made from heavy-gauge steel with a powder-coated finish and top-notch hardware, our kits guarantee long-lasting performance in any driving conditions.Easy, Bolt-In InstallationOur commitment to thoughtful product design is evident in every fully bolt-in kit we produce, which guarantees a hassle-free installation process.

Part Type

Coilover Adjustable Spring Lowering Kit

Data: v4.2 - Upd: 2026-10-15 16:42:22

Features

  • Adjustable shock valving
  • Easy, bolt-in installation
  • Heavy duty shock design
  • Improved ride quality
  • Lifetime shock warranty
  • Made in the USA
  • Ride height adjustability

Specifications

Product Attributes - Brand
QA1
Product Attributes - Manufacturer's Part Number
LK12-GMT04
Product Attributes - Part Type
Suspension Lowering Kits
Product Attributes - Product Line
QA1 Lowering Kits
Product Attributes - UPC
806990173782
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-GMT04
SFX Item ID 4785880
Supplier Item Code 4785880
Manufacturer SKU LK12-GMT04
Manufacturer UPC 806990173782
Alternative References QA1-LK12-GMT04, Qa1, 4WD

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
    Drivetrain4WD
    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
    Drivetrain4WD
    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
    Drivetrain4WD
    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
    Drivetrain4WD
    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
    Drivetrain4WD
    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
    Drivetrain4WD
    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
    Drivetrain4WD
    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
    Drivetrain4WD
    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
    Drivetrain4WD
    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
    Drivetrain4WD
    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
    Drivetrain4WD
    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
    Drivetrain4WD
    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
    Drivetrain4WD
    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
    Drivetrain4WD
    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
    Drivetrain4WD
    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
    Drivetrain4WD
    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
    Drivetrain4WD
    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
    Drivetrain4WD
    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
    Drivetrain4WD
    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
    Drivetrain4WD
    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
    Drivetrain4WD
    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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