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ReadyLift Suspension Lift Kits 44-30820 Kit, 8.00 in., Front Knuckles, Crossmember, Torsion Bar Brackets, CV Spacers, Differential Drop Brackets, Shocks, Chevy, GMC, Kit

ReadyLift Suspension Lift Kits 44-30820 Kit, 8.00 in., Front Knuckles, Crossmember, Torsion Bar Brackets, CV Spacers, Differential Drop Brackets, Shocks, Chevy, GMC, Kit

A$9,448.64
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Description

ReadyLift Suspension lift kits provide front and rear lift solutions to boost your vehicle's stance. They offer a huge selection of kits to give your truck, Jeep, or SUV just the right posture and attitude you are looking for. ReadyLift SST (Smart Suspension Technology) lift kits are the original mid-lift solutions for those who want more than what a leveling kit offers, but less overall height than that of a big lift. And for those of you wanting that BIG lift, they have complete kits that provide maximum lift and aggressive style. So whether you want a little or a lot, "Just don't lift it … ReadyLift it!"

Part Type

Suspension Leveling & Lift Kits

Data: v4.2 - Upd: 2026-09-29 18:24:00

Specifications

Product Attributes - Brand
ReadyLift Suspension
Product Attributes - Manufacturer's Part Number
44-30820
Product Attributes - Part Type
Suspension Leveling & Lift Kits
Product Attributes - Product Line
ReadyLift Suspension Lift Kits
Product Attributes - UPC
194933307135
Product Attributes - Lift Style
Suspension Lift Kit
Product Attributes - Primary Front Lift Component
Steering knuckle
Product Attributes - Primary Rear Lift Component
Leaf spring block
Product Attributes - Front Shocks/Struts Included
Yes
Product Attributes - Front Shock Quantity Per Wheel
1
Product Attributes - Front Shock Type
Gas-charged monotube
Product Attributes - Rear Shocks/Struts Included
Yes
Product Attributes - Rear Shock Quantity Per Wheel
1
Product Attributes - Rear Shock Type
Gas-charged monotube
Product Attributes - Brake Lines Included
No
Product Attributes - Hardware Included
Yes
Product Attributes - FMVSS 126 Certification
No
Product Attributes - Quantity
Sold as a kit.
Product Attributes - Notes
This 8 in. lift kit allows for up to a 38x12.50 tire on a 9" wide wheel with zero offset. Some GM HD trucks equipped with Tow Package may require custom-length U-bolts purchased separately.

Reference Information

Brand Name/s Readylift Suspension
StreetFX SKU rls44-30820
SFX Item ID 5009138
Supplier Item Code 5009138
Manufacturer SKU 44-30820
Manufacturer UPC 194933307135

Compatibility

Application Data
  • MakeGMC
    ModelSIERRA 2500 HD
    SubmodelDENALI
    Beginning Year2020
    Ending Year2023
    Engine TypeV8
    Engine Size6.6L/403
    Engine FamilyDURAMAX V8 DIESEL
    Drivetrain4WD
    Amount of Lift Front8.000 in.
    Amount of Lift Rear8.000 in.
    Body StyleCrew Cab Pickup
    Front SuspensionIndependent front suspension
    Number of Lugs8
    Maximum Tire Height (in.)38 in.
    Maximum Tire Width (in.)(application)12.5 in.
    Recommended Wheel Width (in.)9.00 in.
    Application NotesThis 8 in. lift kit allows for up to a 38x12.50 tire on a 9" wide wheel with zero offset. Some GM HD trucks equipped with Tow Package may require custom-length U-bolts purchased separately.
    Fuel TypeDIESEL
  • MakeGMC
    ModelSIERRA 2500 HD
    SubmodelPRO
    Beginning Year2022
    Ending Year2023
    Engine TypeV8
    Engine Size6.6L/401
    Engine FamilyChevy small block Gen V
    Drivetrain4WD
    Amount of Lift Front8.000 in.
    Amount of Lift Rear8.000 in.
    Body StyleCrew Cab Pickup
    Front SuspensionIndependent front suspension
    Number of Lugs8
    Maximum Tire Height (in.)38 in.
    Maximum Tire Width (in.)(application)12.5 in.
    Recommended Wheel Width (in.)9.00 in.
    Application NotesThis 8 in. lift kit allows for up to a 38x12.50 tire on a 9" wide wheel with zero offset. Some GM HD trucks equipped with Tow Package may require custom-length U-bolts purchased separately.
    Fuel TypeGAS
  • MakeGMC
    ModelSIERRA 2500 HD
    SubmodelPRO
    Beginning Year2022
    Ending Year2023
    Engine TypeV8
    Engine Size6.6L/403
    Engine FamilyDURAMAX V8 DIESEL
    Drivetrain4WD
    Amount of Lift Front8.000 in.
    Amount of Lift Rear8.000 in.
    Body StyleCrew Cab Pickup
    Front SuspensionIndependent front suspension
    Number of Lugs8
    Maximum Tire Height (in.)38 in.
    Maximum Tire Width (in.)(application)12.5 in.
    Recommended Wheel Width (in.)9.00 in.
    Application NotesThis 8 in. lift kit allows for up to a 38x12.50 tire on a 9" wide wheel with zero offset. Some GM HD trucks equipped with Tow Package may require custom-length U-bolts purchased separately.
    Fuel TypeDIESEL
  • MakeGMC
    ModelSIERRA 2500 HD
    SubmodelPRO
    Beginning Year2023
    Ending Year2023
    Engine TypeV8
    Engine Size6.6L/401
    Engine FamilyChevy small block Gen V
    Drivetrain4WD
    Amount of Lift Front8.000 in.
    Amount of Lift Rear8.000 in.
    Body StyleCrew Cab Pickup
    Front SuspensionIndependent front suspension
    Number of Lugs8
    Maximum Tire Height (in.)38 in.
    Maximum Tire Width (in.)(application)12.5 in.
    Recommended Wheel Width (in.)9.00 in.
    Application NotesThis 8 in. lift kit allows for up to a 38x12.50 tire on a 9" wide wheel with zero offset. Some GM HD trucks equipped with Tow Package may require custom-length U-bolts purchased separately.
    Fuel TypeGAS
  • MakeGMC
    ModelSIERRA 2500 HD
    SubmodelSLE
    Beginning Year2020
    Ending Year2023
    Engine TypeV8
    Engine Size6.6L/401
    Engine FamilyChevy small block Gen V
    Drivetrain4WD
    Amount of Lift Front8.000 in.
    Amount of Lift Rear8.000 in.
    Body StyleCrew Cab Pickup
    Front SuspensionIndependent front suspension
    Number of Lugs8
    Maximum Tire Height (in.)38 in.
    Maximum Tire Width (in.)(application)12.5 in.
    Recommended Wheel Width (in.)9.00 in.
    Application NotesThis 8 in. lift kit allows for up to a 38x12.50 tire on a 9" wide wheel with zero offset. Some GM HD trucks equipped with Tow Package may require custom-length U-bolts purchased separately.
    Fuel TypeGAS
  • MakeGMC
    ModelSIERRA 2500 HD
    SubmodelSLE
    Beginning Year2020
    Ending Year2023
    Engine TypeV8
    Engine Size6.6L/403
    Engine FamilyDURAMAX V8 DIESEL
    Drivetrain4WD
    Amount of Lift Front8.000 in.
    Amount of Lift Rear8.000 in.
    Body StyleCrew Cab Pickup
    Front SuspensionIndependent front suspension
    Number of Lugs8
    Maximum Tire Height (in.)38 in.
    Maximum Tire Width (in.)(application)12.5 in.
    Recommended Wheel Width (in.)9.00 in.
    Application NotesThis 8 in. lift kit allows for up to a 38x12.50 tire on a 9" wide wheel with zero offset. Some GM HD trucks equipped with Tow Package may require custom-length U-bolts purchased separately.
    Fuel TypeDIESEL
  • MakeGMC
    ModelSIERRA 2500 HD
    SubmodelSLT
    Beginning Year2020
    Ending Year2023
    Engine TypeV8
    Engine Size6.6L/401
    Engine FamilyChevy small block Gen V
    Drivetrain4WD
    Amount of Lift Front8.000 in.
    Amount of Lift Rear8.000 in.
    Body StyleCrew Cab Pickup
    Front SuspensionIndependent front suspension
    Number of Lugs8
    Maximum Tire Height (in.)38 in.
    Maximum Tire Width (in.)(application)12.5 in.
    Recommended Wheel Width (in.)9.00 in.
    Application NotesThis 8 in. lift kit allows for up to a 38x12.50 tire on a 9" wide wheel with zero offset. Some GM HD trucks equipped with Tow Package may require custom-length U-bolts purchased separately.
    Fuel TypeGAS
  • MakeGMC
    ModelSIERRA 2500 HD
    SubmodelSLT
    Beginning Year2020
    Ending Year2023
    Engine TypeV8
    Engine Size6.6L/403
    Engine FamilyDURAMAX V8 DIESEL
    Drivetrain4WD
    Amount of Lift Front8.000 in.
    Amount of Lift Rear8.000 in.
    Body StyleCrew Cab Pickup
    Front SuspensionIndependent front suspension
    Number of Lugs8
    Maximum Tire Height (in.)38 in.
    Maximum Tire Width (in.)(application)12.5 in.
    Recommended Wheel Width (in.)9.00 in.
    Application NotesThis 8 in. lift kit allows for up to a 38x12.50 tire on a 9" wide wheel with zero offset. Some GM HD trucks equipped with Tow Package may require custom-length U-bolts purchased separately.
    Fuel TypeDIESEL
  • MakeGMC
    ModelSIERRA 3500 HD
    SubmodelAT4
    Beginning Year2020
    Ending Year2023
    Engine TypeV8
    Engine Size6.6L/401
    Engine FamilyChevy small block Gen V
    Drivetrain4WD
    Amount of Lift Front8.000 in.
    Amount of Lift Rear8.000 in.
    Body StyleCrew Cab Pickup
    Front SuspensionIndependent front suspension
    Number of Lugs8
    Maximum Tire Height (in.)38 in.
    Maximum Tire Width (in.)(application)12.5 in.
    Recommended Wheel Width (in.)9.00 in.
    Application NotesThis 8 in. lift kit allows for up to a 38x12.50 tire on a 9" wide wheel with zero offset. Some GM HD trucks equipped with Tow Package may require custom-length U-bolts purchased separately.
    Fuel TypeGAS
  • MakeGMC
    ModelSIERRA 3500 HD
    SubmodelAT4
    Beginning Year2020
    Ending Year2023
    Engine TypeV8
    Engine Size6.6L/403
    Engine FamilyDURAMAX V8 DIESEL
    Drivetrain4WD
    Amount of Lift Front8.000 in.
    Amount of Lift Rear8.000 in.
    Body StyleCrew Cab Pickup
    Front SuspensionIndependent front suspension
    Number of Lugs8
    Maximum Tire Height (in.)38 in.
    Maximum Tire Width (in.)(application)12.5 in.
    Recommended Wheel Width (in.)9.00 in.
    Application NotesThis 8 in. lift kit allows for up to a 38x12.50 tire on a 9" wide wheel with zero offset. Some GM HD trucks equipped with Tow Package may require custom-length U-bolts purchased separately.
    Fuel TypeDIESEL
  • MakeGMC
    ModelSIERRA 3500 HD
    SubmodelBASE
    Beginning Year2020
    Ending Year2021
    Engine TypeV8
    Engine Size6.6L/401
    Engine FamilyChevy small block Gen V
    Drivetrain4WD
    Amount of Lift Front8.000 in.
    Amount of Lift Rear8.000 in.
    Body StyleCrew Cab Pickup
    Front SuspensionIndependent front suspension
    Number of Lugs8
    Maximum Tire Height (in.)38 in.
    Maximum Tire Width (in.)(application)12.5 in.
    Recommended Wheel Width (in.)9.00 in.
    Application NotesThis 8 in. lift kit allows for up to a 38x12.50 tire on a 9" wide wheel with zero offset. Some GM HD trucks equipped with Tow Package may require custom-length U-bolts purchased separately.
    Fuel TypeGAS
  • MakeGMC
    ModelSIERRA 3500 HD
    SubmodelBASE
    Beginning Year2020
    Ending Year2021
    Engine TypeV8
    Engine Size6.6L/403
    Engine FamilyDURAMAX V8 DIESEL
    Drivetrain4WD
    Amount of Lift Front8.000 in.
    Amount of Lift Rear8.000 in.
    Body StyleCrew Cab Pickup
    Front SuspensionIndependent front suspension
    Number of Lugs8
    Maximum Tire Height (in.)38 in.
    Maximum Tire Width (in.)(application)12.5 in.
    Recommended Wheel Width (in.)9.00 in.
    Application NotesThis 8 in. lift kit allows for up to a 38x12.50 tire on a 9" wide wheel with zero offset. Some GM HD trucks equipped with Tow Package may require custom-length U-bolts purchased separately.
    Fuel TypeDIESEL
  • MakeGMC
    ModelSIERRA 3500 HD
    SubmodelDENALI
    Beginning Year2020
    Ending Year2023
    Engine TypeV8
    Engine Size6.6L/401
    Engine FamilyChevy small block Gen V
    Drivetrain4WD
    Amount of Lift Front8.000 in.
    Amount of Lift Rear8.000 in.
    Body StyleCrew Cab Pickup
    Front SuspensionIndependent front suspension
    Number of Lugs8
    Maximum Tire Height (in.)38 in.
    Maximum Tire Width (in.)(application)12.5 in.
    Recommended Wheel Width (in.)9.00 in.
    Application NotesThis 8 in. lift kit allows for up to a 38x12.50 tire on a 9" wide wheel with zero offset. Some GM HD trucks equipped with Tow Package may require custom-length U-bolts purchased separately.
    Fuel TypeGAS
  • MakeGMC
    ModelSIERRA 3500 HD
    SubmodelDENALI
    Beginning Year2020
    Ending Year2023
    Engine TypeV8
    Engine Size6.6L/403
    Engine FamilyDURAMAX V8 DIESEL
    Drivetrain4WD
    Amount of Lift Front8.000 in.
    Amount of Lift Rear8.000 in.
    Body StyleCrew Cab Pickup
    Front SuspensionIndependent front suspension
    Number of Lugs8
    Maximum Tire Height (in.)38 in.
    Maximum Tire Width (in.)(application)12.5 in.
    Recommended Wheel Width (in.)9.00 in.
    Application NotesThis 8 in. lift kit allows for up to a 38x12.50 tire on a 9" wide wheel with zero offset. Some GM HD trucks equipped with Tow Package may require custom-length U-bolts purchased separately.
    Fuel TypeDIESEL
  • MakeGMC
    ModelSIERRA 3500 HD
    SubmodelPRO
    Beginning Year2022
    Ending Year2023
    Engine TypeV8
    Engine Size6.6L/401
    Engine FamilyChevy small block Gen V
    Drivetrain4WD
    Amount of Lift Front8.000 in.
    Amount of Lift Rear8.000 in.
    Body StyleCrew Cab Pickup
    Front SuspensionIndependent front suspension
    Number of Lugs8
    Maximum Tire Height (in.)38 in.
    Maximum Tire Width (in.)(application)12.5 in.
    Recommended Wheel Width (in.)9.00 in.
    Application NotesThis 8 in. lift kit allows for up to a 38x12.50 tire on a 9" wide wheel with zero offset. Some GM HD trucks equipped with Tow Package may require custom-length U-bolts purchased separately.
    Fuel TypeGAS
  • MakeGMC
    ModelSIERRA 3500 HD
    SubmodelPRO
    Beginning Year2022
    Ending Year2023
    Engine TypeV8
    Engine Size6.6L/403
    Engine FamilyDURAMAX V8 DIESEL
    Drivetrain4WD
    Amount of Lift Front8.000 in.
    Amount of Lift Rear8.000 in.
    Body StyleCrew Cab Pickup
    Front SuspensionIndependent front suspension
    Number of Lugs8
    Maximum Tire Height (in.)38 in.
    Maximum Tire Width (in.)(application)12.5 in.
    Recommended Wheel Width (in.)9.00 in.
    Application NotesThis 8 in. lift kit allows for up to a 38x12.50 tire on a 9" wide wheel with zero offset. Some GM HD trucks equipped with Tow Package may require custom-length U-bolts purchased separately.
    Fuel TypeDIESEL
  • MakeGMC
    ModelSIERRA 3500 HD
    SubmodelPRO
    Beginning Year2023
    Ending Year2023
    Engine TypeV8
    Engine Size6.6L/401
    Engine FamilyChevy small block Gen V
    Drivetrain4WD
    Amount of Lift Front8.000 in.
    Amount of Lift Rear8.000 in.
    Body StyleCrew Cab Pickup
    Front SuspensionIndependent front suspension
    Number of Lugs8
    Maximum Tire Height (in.)38 in.
    Maximum Tire Width (in.)(application)12.5 in.
    Recommended Wheel Width (in.)9.00 in.
    Application NotesThis 8 in. lift kit allows for up to a 38x12.50 tire on a 9" wide wheel with zero offset. Some GM HD trucks equipped with Tow Package may require custom-length U-bolts purchased separately.
    Fuel TypeGAS
  • MakeGMC
    ModelSIERRA 3500 HD
    SubmodelSLE
    Beginning Year2020
    Ending Year2023
    Engine TypeV8
    Engine Size6.6L/401
    Engine FamilyChevy small block Gen V
    Drivetrain4WD
    Amount of Lift Front8.000 in.
    Amount of Lift Rear8.000 in.
    Body StyleCrew Cab Pickup
    Front SuspensionIndependent front suspension
    Number of Lugs8
    Maximum Tire Height (in.)38 in.
    Maximum Tire Width (in.)(application)12.5 in.
    Recommended Wheel Width (in.)9.00 in.
    Application NotesThis 8 in. lift kit allows for up to a 38x12.50 tire on a 9" wide wheel with zero offset. Some GM HD trucks equipped with Tow Package may require custom-length U-bolts purchased separately.
    Fuel TypeGAS
  • MakeGMC
    ModelSIERRA 3500 HD
    SubmodelSLE
    Beginning Year2020
    Ending Year2023
    Engine TypeV8
    Engine Size6.6L/403
    Engine FamilyDURAMAX V8 DIESEL
    Drivetrain4WD
    Amount of Lift Front8.000 in.
    Amount of Lift Rear8.000 in.
    Body StyleCrew Cab Pickup
    Front SuspensionIndependent front suspension
    Number of Lugs8
    Maximum Tire Height (in.)38 in.
    Maximum Tire Width (in.)(application)12.5 in.
    Recommended Wheel Width (in.)9.00 in.
    Application NotesThis 8 in. lift kit allows for up to a 38x12.50 tire on a 9" wide wheel with zero offset. Some GM HD trucks equipped with Tow Package may require custom-length U-bolts purchased separately.
    Fuel TypeDIESEL
  • MakeGMC
    ModelSIERRA 3500 HD
    SubmodelSLT
    Beginning Year2020
    Ending Year2023
    Engine TypeV8
    Engine Size6.6L/401
    Engine FamilyChevy small block Gen V
    Drivetrain4WD
    Amount of Lift Front8.000 in.
    Amount of Lift Rear8.000 in.
    Body StyleCrew Cab Pickup
    Front SuspensionIndependent front suspension
    Number of Lugs8
    Maximum Tire Height (in.)38 in.
    Maximum Tire Width (in.)(application)12.5 in.
    Recommended Wheel Width (in.)9.00 in.
    Application NotesThis 8 in. lift kit allows for up to a 38x12.50 tire on a 9" wide wheel with zero offset. Some GM HD trucks equipped with Tow Package may require custom-length U-bolts purchased separately.
    Fuel TypeGAS
  • MakeGMC
    ModelSIERRA 3500 HD
    SubmodelSLT
    Beginning Year2020
    Ending Year2023
    Engine TypeV8
    Engine Size6.6L/403
    Engine FamilyDURAMAX V8 DIESEL
    Drivetrain4WD
    Amount of Lift Front8.000 in.
    Amount of Lift Rear8.000 in.
    Body StyleCrew Cab Pickup
    Front SuspensionIndependent front suspension
    Number of Lugs8
    Maximum Tire Height (in.)38 in.
    Maximum Tire Width (in.)(application)12.5 in.
    Recommended Wheel Width (in.)9.00 in.
    Application NotesThis 8 in. lift kit allows for up to a 38x12.50 tire on a 9" wide wheel with zero offset. Some GM HD trucks equipped with Tow Package may require custom-length U-bolts purchased separately.
    Fuel TypeDIESEL
  • MakeGMC
    ModelSIERRA 2500 HD
    SubmodelAT4
    Beginning Year2020
    Ending Year2023
    Engine TypeV8
    Engine Size6.6L/403
    Engine FamilyDURAMAX V8 DIESEL
    Drivetrain4WD
    Amount of Lift Front8.000 in.
    Amount of Lift Rear8.000 in.
    Body StyleCrew Cab Pickup
    Front SuspensionIndependent front suspension
    Number of Lugs8
    Maximum Tire Height (in.)38 in.
    Maximum Tire Width (in.)(application)12.5 in.
    Recommended Wheel Width (in.)9.00 in.
    Application NotesThis 8 in. lift kit allows for up to a 38x12.50 tire on a 9" wide wheel with zero offset. Some GM HD trucks equipped with Tow Package may require custom-length U-bolts purchased separately.
    Fuel TypeDIESEL
  • MakeGMC
    ModelSIERRA 2500 HD
    SubmodelBASE
    Beginning Year2020
    Ending Year2021
    Engine TypeV8
    Engine Size6.6L/401
    Engine FamilyChevy small block Gen V
    Drivetrain4WD
    Amount of Lift Front8.000 in.
    Amount of Lift Rear8.000 in.
    Body StyleCrew Cab Pickup
    Front SuspensionIndependent front suspension
    Number of Lugs8
    Maximum Tire Height (in.)38 in.
    Maximum Tire Width (in.)(application)12.5 in.
    Recommended Wheel Width (in.)9.00 in.
    Application NotesThis 8 in. lift kit allows for up to a 38x12.50 tire on a 9" wide wheel with zero offset. Some GM HD trucks equipped with Tow Package may require custom-length U-bolts purchased separately.
    Fuel TypeGAS
  • MakeGMC
    ModelSIERRA 2500 HD
    SubmodelBASE
    Beginning Year2020
    Ending Year2021
    Engine TypeV8
    Engine Size6.6L/403
    Engine FamilyDURAMAX V8 DIESEL
    Drivetrain4WD
    Amount of Lift Front8.000 in.
    Amount of Lift Rear8.000 in.
    Body StyleCrew Cab Pickup
    Front SuspensionIndependent front suspension
    Number of Lugs8
    Maximum Tire Height (in.)38 in.
    Maximum Tire Width (in.)(application)12.5 in.
    Recommended Wheel Width (in.)9.00 in.
    Application NotesThis 8 in. lift kit allows for up to a 38x12.50 tire on a 9" wide wheel with zero offset. Some GM HD trucks equipped with Tow Package may require custom-length U-bolts purchased separately.
    Fuel TypeDIESEL
  • MakeGMC
    ModelSIERRA 2500 HD
    SubmodelDENALI
    Beginning Year2020
    Ending Year2023
    Engine TypeV8
    Engine Size6.6L/401
    Engine FamilyChevy small block Gen V
    Drivetrain4WD
    Amount of Lift Front8.000 in.
    Amount of Lift Rear8.000 in.
    Body StyleCrew Cab Pickup
    Front SuspensionIndependent front suspension
    Number of Lugs8
    Maximum Tire Height (in.)38 in.
    Maximum Tire Width (in.)(application)12.5 in.
    Recommended Wheel Width (in.)9.00 in.
    Application NotesThis 8 in. lift kit allows for up to a 38x12.50 tire on a 9" wide wheel with zero offset. Some GM HD trucks equipped with Tow Package may require custom-length U-bolts purchased separately.
    Fuel TypeGAS

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