Home / Shop / ReadyLift Suspension Lift Kits 44-30520 Kit, Front and Rear, 6 in. Lift, Front and Rear Shocks, Chevy, GMC, Kit

ReadyLift Suspension Lift Kits 44-30520 Kit, Front and Rear, 6 in. Lift, Front and Rear Shocks, Chevy, GMC, Kit

SKU: RLS44-30520

Suspension Leveling & Lift Kits

Readylift Suspension

ReadyLift Suspension Lift Kits 44-30520 Kit, Front and Rear, 6 in. Lift, Front and Rear Shocks, Chevy, GMC, Kit

SKU: RLS44-30520

Suspension Leveling & Lift Kits

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.

We accept

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: 2026-10-15 04:51:58

Specifications

Product Attributes - Brand: ReadyLift Suspension
Product Attributes - Manufacturer's Part Number: 44-30520
Product Attributes - Part Type: Suspension Leveling & Lift Kits
Product Attributes - Product Line: ReadyLift Suspension Lift Kits
Product Attributes - UPC: 194933167210
Product Attributes - Lift Style: Suspension Lift Kit
Product Attributes - Primary Front Lift Component: Torsion bar key
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: Uses OEM torsion keys. Includes front and rear Falcon 1.1 shocks.

Reference Information

Brand Name/s	Readylift Suspension
StreetFX SKU	rls44-30520
SFX Item ID	5008660
Supplier Item Code	5008660
Manufacturer SKU	44-30520
Manufacturer UPC	194933167210

Compatibility

Application Data

Make	GMC
Model	SIERRA 2500 HD
Submodel	DENALI
Beginning Year	2011
Ending Year	2019
Engine Type	V8
Engine Size	6.0L/364
Engine Family	Chevy small block Gen III/IV (LS-based engines)
Drivetrain	RWD
Amount of Lift Front	6.000 in.
Amount of Lift Rear	6.000 in.
Body Style	Standard Cab Pickup
Front Suspension	Independent front suspension
Number of Lugs	8
Maximum Tire Height (in.)	35 in.
Maximum Tire Width (in.)(application)	12.5 in.
Recommended Wheel Width (in.)	9.00 in.
Recommended Wheel Backspace (in.)	3.250 in.
Application Notes	Uses OEM torsion keys. Includes front and rear Falcon 1.1 shocks.

Make	GMC
Model	SIERRA 2500 HD
Submodel	DENALI
Beginning Year	2011
Ending Year	2019
Engine Type	V8
Engine Size	6.0L/364
Engine Family	Chevy small block Gen III/IV (LS-based engines)
Drivetrain	RWD
Amount of Lift Front	6.000 in.
Amount of Lift Rear	6.000 in.
Body Style	Crew Cab Pickup
Front Suspension	Independent front suspension
Number of Lugs	8
Maximum Tire Height (in.)	35 in.
Maximum Tire Width (in.)(application)	12.5 in.
Recommended Wheel Width (in.)	9.00 in.
Recommended Wheel Backspace (in.)	3.250 in.
Application Notes	Uses OEM torsion keys. Includes front and rear Falcon 1.1 shocks.

Make	GMC
Model	SIERRA 2500 HD
Submodel	DENALI
Beginning Year	2011
Ending Year	2019
Engine Type	V8
Engine Size	6.0L/364
Engine Family	Chevy small block Gen III/IV (LS-based engines)
Drivetrain	RWD
Amount of Lift Front	6.000 in.
Amount of Lift Rear	6.000 in.
Body Style	Extended Cab Pickup
Front Suspension	Independent front suspension
Number of Lugs	8
Maximum Tire Height (in.)	35 in.
Maximum Tire Width (in.)(application)	12.5 in.
Recommended Wheel Width (in.)	9.00 in.
Recommended Wheel Backspace (in.)	3.250 in.
Application Notes	Uses OEM torsion keys. Includes front and rear Falcon 1.1 shocks.

Make	GMC
Model	SIERRA 2500 HD
Submodel	DENALI
Beginning Year	2011
Ending Year	2019
Engine Type	V8
Engine Size	6.6L/403
Engine Family	DURAMAX V8 DIESEL
Drivetrain	RWD
Amount of Lift Front	5.000 in.
Amount of Lift Rear	6.000 in.
Body Style	Standard Cab Pickup
Front Suspension	Independent front suspension
Number of Lugs	8
Maximum Tire Height (in.)	35 in.
Maximum Tire Width (in.)(application)	12.5 in.
Recommended Wheel Width (in.)	9.00 in.
Recommended Wheel Backspace (in.)	3.250 in.
Application Notes	Uses OEM torsion keys. Includes front and rear Falcon 1.1 shocks.

Make	GMC
Model	SIERRA 2500 HD
Submodel	DENALI
Beginning Year	2011
Ending Year	2019
Engine Type	V8
Engine Size	6.6L/403
Engine Family	DURAMAX V8 DIESEL
Drivetrain	RWD
Amount of Lift Front	5.000 in.
Amount of Lift Rear	6.000 in.
Body Style	Crew Cab Pickup
Front Suspension	Independent front suspension
Number of Lugs	8
Maximum Tire Height (in.)	35 in.
Maximum Tire Width (in.)(application)	12.5 in.
Recommended Wheel Width (in.)	9.00 in.
Recommended Wheel Backspace (in.)	3.250 in.
Application Notes	Uses OEM torsion keys. Includes front and rear Falcon 1.1 shocks.

Make	GMC
Model	SIERRA 2500 HD
Submodel	DENALI
Beginning Year	2011
Ending Year	2019
Engine Type	V8
Engine Size	6.6L/403
Engine Family	DURAMAX V8 DIESEL
Drivetrain	RWD
Amount of Lift Front	5.000 in.
Amount of Lift Rear	6.000 in.
Body Style	Extended Cab Pickup
Front Suspension	Independent front suspension
Number of Lugs	8
Maximum Tire Height (in.)	35 in.
Maximum Tire Width (in.)(application)	12.5 in.
Recommended Wheel Width (in.)	9.00 in.
Recommended Wheel Backspace (in.)	3.250 in.
Application Notes	Uses OEM torsion keys. Includes front and rear Falcon 1.1 shocks.

Make	GMC
Model	SIERRA 2500 HD
Submodel	DENALI
Beginning Year	2011
Ending Year	2019
Engine Type	V8
Engine Size	6.6L/403
Engine Family	DURAMAX V8 DIESEL
Drivetrain	4WD
Amount of Lift Front	6.000 in.
Amount of Lift Rear	6.000 in.
Body Style	Standard Cab Pickup
Front Suspension	Independent front suspension
Number of Lugs	8
Maximum Tire Height (in.)	35 in.
Maximum Tire Width (in.)(application)	12.5 in.
Recommended Wheel Width (in.)	9.00 in.
Recommended Wheel Backspace (in.)	3.250 in.
Application Notes	Uses OEM torsion keys. Includes front and rear Falcon 1.1 shocks.

Make	GMC
Model	SIERRA 2500 HD
Submodel	DENALI
Beginning Year	2011
Ending Year	2019
Engine Type	V8
Engine Size	6.6L/403
Engine Family	DURAMAX V8 DIESEL
Drivetrain	4WD
Amount of Lift Front	6.000 in.
Amount of Lift Rear	6.000 in.
Body Style	Crew Cab Pickup
Front Suspension	Independent front suspension
Number of Lugs	8
Maximum Tire Height (in.)	35 in.
Maximum Tire Width (in.)(application)	12.5 in.
Recommended Wheel Width (in.)	9.00 in.
Recommended Wheel Backspace (in.)	3.250 in.
Application Notes	Uses OEM torsion keys. Includes front and rear Falcon 1.1 shocks.

Make	GMC
Model	SIERRA 2500 HD
Submodel	DENALI
Beginning Year	2011
Ending Year	2019
Engine Type	V8
Engine Size	6.6L/403
Engine Family	DURAMAX V8 DIESEL
Drivetrain	4WD
Amount of Lift Front	6.000 in.
Amount of Lift Rear	6.000 in.
Body Style	Extended Cab Pickup
Front Suspension	Independent front suspension
Number of Lugs	8
Maximum Tire Height (in.)	35 in.
Maximum Tire Width (in.)(application)	12.5 in.
Recommended Wheel Width (in.)	9.00 in.
Recommended Wheel Backspace (in.)	3.250 in.
Application Notes	Uses OEM torsion keys. Includes front and rear Falcon 1.1 shocks.

Make	GMC
Model	SIERRA 2500 HD
Submodel	DENALI
Beginning Year	2011
Ending Year	2019
Engine Type	V8
Engine Size	6.6L/403
Engine Family	DURAMAX V8 DIESEL
Drivetrain	4WD
Amount of Lift Front	5.000 in.
Amount of Lift Rear	6.000 in.
Body Style	Standard Cab Pickup
Front Suspension	Independent front suspension
Number of Lugs	8
Maximum Tire Height (in.)	35 in.
Maximum Tire Width (in.)(application)	12.5 in.
Recommended Wheel Width (in.)	9.00 in.
Recommended Wheel Backspace (in.)	3.250 in.
Application Notes	Uses OEM torsion keys. Includes front and rear Falcon 1.1 shocks.

Make	GMC
Model	SIERRA 2500 HD
Submodel	DENALI
Beginning Year	2011
Ending Year	2019
Engine Type	V8
Engine Size	6.6L/403
Engine Family	DURAMAX V8 DIESEL
Drivetrain	4WD
Amount of Lift Front	5.000 in.
Amount of Lift Rear	6.000 in.
Body Style	Crew Cab Pickup
Front Suspension	Independent front suspension
Number of Lugs	8
Maximum Tire Height (in.)	35 in.
Maximum Tire Width (in.)(application)	12.5 in.
Recommended Wheel Width (in.)	9.00 in.
Recommended Wheel Backspace (in.)	3.250 in.
Application Notes	Uses OEM torsion keys. Includes front and rear Falcon 1.1 shocks.

Make	GMC
Model	SIERRA 2500 HD
Submodel	DENALI
Beginning Year	2011
Ending Year	2019
Engine Type	V8
Engine Size	6.6L/403
Engine Family	DURAMAX V8 DIESEL
Drivetrain	4WD
Amount of Lift Front	5.000 in.
Amount of Lift Rear	6.000 in.
Body Style	Extended Cab Pickup
Front Suspension	Independent front suspension
Number of Lugs	8
Maximum Tire Height (in.)	35 in.
Maximum Tire Width (in.)(application)	12.5 in.
Recommended Wheel Width (in.)	9.00 in.
Recommended Wheel Backspace (in.)	3.250 in.
Application Notes	Uses OEM torsion keys. Includes front and rear Falcon 1.1 shocks.

Make	GMC
Model	SIERRA 2500 HD
Submodel	DENALI
Beginning Year	2011
Ending Year	2019
Engine Type	V8
Engine Size	6.6L/403
Engine Family	DURAMAX V8 DIESEL
Drivetrain	RWD
Amount of Lift Front	6.000 in.
Amount of Lift Rear	6.000 in.
Body Style	Standard Cab Pickup
Front Suspension	Independent front suspension
Number of Lugs	8
Maximum Tire Height (in.)	35 in.
Maximum Tire Width (in.)(application)	12.5 in.
Recommended Wheel Width (in.)	9.00 in.
Recommended Wheel Backspace (in.)	3.250 in.
Application Notes	Uses OEM torsion keys. Includes front and rear Falcon 1.1 shocks.

Make	GMC
Model	SIERRA 2500 HD
Submodel	DENALI
Beginning Year	2011
Ending Year	2019
Engine Type	V8
Engine Size	6.6L/403
Engine Family	DURAMAX V8 DIESEL
Drivetrain	RWD
Amount of Lift Front	6.000 in.
Amount of Lift Rear	6.000 in.
Body Style	Crew Cab Pickup
Front Suspension	Independent front suspension
Number of Lugs	8
Maximum Tire Height (in.)	35 in.
Maximum Tire Width (in.)(application)	12.5 in.
Recommended Wheel Width (in.)	9.00 in.
Recommended Wheel Backspace (in.)	3.250 in.
Application Notes	Uses OEM torsion keys. Includes front and rear Falcon 1.1 shocks.

Make	GMC
Model	SIERRA 2500 HD
Submodel	DENALI
Beginning Year	2011
Ending Year	2019
Engine Type	V8
Engine Size	6.6L/403
Engine Family	DURAMAX V8 DIESEL
Drivetrain	RWD
Amount of Lift Front	6.000 in.
Amount of Lift Rear	6.000 in.
Body Style	Extended Cab Pickup
Front Suspension	Independent front suspension
Number of Lugs	8
Maximum Tire Height (in.)	35 in.
Maximum Tire Width (in.)(application)	12.5 in.
Recommended Wheel Width (in.)	9.00 in.
Recommended Wheel Backspace (in.)	3.250 in.
Application Notes	Uses OEM torsion keys. Includes front and rear Falcon 1.1 shocks.

Make	GMC
Model	SIERRA 2500 HD
Submodel	SLE
Beginning Year	2011
Ending Year	2019
Engine Type	V8
Engine Size	6.0L/364
Engine Family	Chevy small block Gen III/IV (LS-based engines)
Drivetrain	RWD
Amount of Lift Front	5.000 in.
Amount of Lift Rear	6.000 in.
Body Style	Standard Cab Pickup
Front Suspension	Independent front suspension
Number of Lugs	8
Maximum Tire Height (in.)	35 in.
Maximum Tire Width (in.)(application)	12.5 in.
Recommended Wheel Width (in.)	9.00 in.
Recommended Wheel Backspace (in.)	3.250 in.
Application Notes	Uses OEM torsion keys. Includes front and rear Falcon 1.1 shocks.

Make	GMC
Model	SIERRA 2500 HD
Submodel	SLE
Beginning Year	2011
Ending Year	2019
Engine Type	V8
Engine Size	6.0L/364
Engine Family	Chevy small block Gen III/IV (LS-based engines)
Drivetrain	RWD
Amount of Lift Front	5.000 in.
Amount of Lift Rear	6.000 in.
Body Style	Crew Cab Pickup
Front Suspension	Independent front suspension
Number of Lugs	8
Maximum Tire Height (in.)	35 in.
Maximum Tire Width (in.)(application)	12.5 in.
Recommended Wheel Width (in.)	9.00 in.
Recommended Wheel Backspace (in.)	3.250 in.
Application Notes	Uses OEM torsion keys. Includes front and rear Falcon 1.1 shocks.

Make	GMC
Model	SIERRA 2500 HD
Submodel	SLE
Beginning Year	2011
Ending Year	2019
Engine Type	V8
Engine Size	6.0L/364
Engine Family	Chevy small block Gen III/IV (LS-based engines)
Drivetrain	RWD
Amount of Lift Front	5.000 in.
Amount of Lift Rear	6.000 in.
Body Style	Extended Cab Pickup
Front Suspension	Independent front suspension
Number of Lugs	8
Maximum Tire Height (in.)	35 in.
Maximum Tire Width (in.)(application)	12.5 in.
Recommended Wheel Width (in.)	9.00 in.
Recommended Wheel Backspace (in.)	3.250 in.
Application Notes	Uses OEM torsion keys. Includes front and rear Falcon 1.1 shocks.

Make	GMC
Model	SIERRA 2500 HD
Submodel	SLE
Beginning Year	2011
Ending Year	2019
Engine Type	V8
Engine Size	6.0L/364
Engine Family	Chevy small block Gen III/IV (LS-based engines)
Drivetrain	4WD
Amount of Lift Front	6.000 in.
Amount of Lift Rear	6.000 in.
Body Style	Standard Cab Pickup
Front Suspension	Independent front suspension
Number of Lugs	8
Maximum Tire Height (in.)	35 in.
Maximum Tire Width (in.)(application)	12.5 in.
Recommended Wheel Width (in.)	9.00 in.
Recommended Wheel Backspace (in.)	3.250 in.
Application Notes	Uses OEM torsion keys. Includes front and rear Falcon 1.1 shocks.

Make	GMC
Model	SIERRA 2500 HD
Submodel	SLE
Beginning Year	2011
Ending Year	2019
Engine Type	V8
Engine Size	6.0L/364
Engine Family	Chevy small block Gen III/IV (LS-based engines)
Drivetrain	4WD
Amount of Lift Front	6.000 in.
Amount of Lift Rear	6.000 in.
Body Style	Crew Cab Pickup
Front Suspension	Independent front suspension
Number of Lugs	8
Maximum Tire Height (in.)	35 in.
Maximum Tire Width (in.)(application)	12.5 in.
Recommended Wheel Width (in.)	9.00 in.
Recommended Wheel Backspace (in.)	3.250 in.
Application Notes	Uses OEM torsion keys. Includes front and rear Falcon 1.1 shocks.

Make	GMC
Model	SIERRA 2500 HD
Submodel	SLE
Beginning Year	2011
Ending Year	2019
Engine Type	V8
Engine Size	6.0L/364
Engine Family	Chevy small block Gen III/IV (LS-based engines)
Drivetrain	4WD
Amount of Lift Front	6.000 in.
Amount of Lift Rear	6.000 in.
Body Style	Extended Cab Pickup
Front Suspension	Independent front suspension
Number of Lugs	8
Maximum Tire Height (in.)	35 in.
Maximum Tire Width (in.)(application)	12.5 in.
Recommended Wheel Width (in.)	9.00 in.
Recommended Wheel Backspace (in.)	3.250 in.
Application Notes	Uses OEM torsion keys. Includes front and rear Falcon 1.1 shocks.

Make	GMC
Model	SIERRA 2500 HD
Submodel	SLE
Beginning Year	2011
Ending Year	2019
Engine Type	V8
Engine Size	6.0L/364
Engine Family	Chevy small block Gen III/IV (LS-based engines)
Drivetrain	4WD
Amount of Lift Front	5.000 in.
Amount of Lift Rear	6.000 in.
Body Style	Standard Cab Pickup
Front Suspension	Independent front suspension
Number of Lugs	8
Maximum Tire Height (in.)	35 in.
Maximum Tire Width (in.)(application)	12.5 in.
Recommended Wheel Width (in.)	9.00 in.
Recommended Wheel Backspace (in.)	3.250 in.
Application Notes	Uses OEM torsion keys. Includes front and rear Falcon 1.1 shocks.

Make	GMC
Model	SIERRA 2500 HD
Submodel	SLE
Beginning Year	2011
Ending Year	2019
Engine Type	V8
Engine Size	6.0L/364
Engine Family	Chevy small block Gen III/IV (LS-based engines)
Drivetrain	4WD
Amount of Lift Front	5.000 in.
Amount of Lift Rear	6.000 in.
Body Style	Crew Cab Pickup
Front Suspension	Independent front suspension
Number of Lugs	8
Maximum Tire Height (in.)	35 in.
Maximum Tire Width (in.)(application)	12.5 in.
Recommended Wheel Width (in.)	9.00 in.
Recommended Wheel Backspace (in.)	3.250 in.
Application Notes	Uses OEM torsion keys. Includes front and rear Falcon 1.1 shocks.

Make	GMC
Model	SIERRA 2500 HD
Submodel	SLE
Beginning Year	2011
Ending Year	2019
Engine Type	V8
Engine Size	6.0L/364
Engine Family	Chevy small block Gen III/IV (LS-based engines)
Drivetrain	4WD
Amount of Lift Front	5.000 in.
Amount of Lift Rear	6.000 in.
Body Style	Extended Cab Pickup
Front Suspension	Independent front suspension
Number of Lugs	8
Maximum Tire Height (in.)	35 in.
Maximum Tire Width (in.)(application)	12.5 in.
Recommended Wheel Width (in.)	9.00 in.
Recommended Wheel Backspace (in.)	3.250 in.
Application Notes	Uses OEM torsion keys. Includes front and rear Falcon 1.1 shocks.

Make	GMC
Model	SIERRA 2500 HD
Submodel	SLE
Beginning Year	2015
Ending Year	2019
Engine Type	V8
Engine Size	6.0L/364
Engine Family	Chevy small block Gen III/IV (LS-based engines)
Drivetrain	RWD
Amount of Lift Front	6.000 in.
Amount of Lift Rear	6.000 in.
Body Style	Standard Cab Pickup
Front Suspension	Independent front suspension
Number of Lugs	8
Maximum Tire Height (in.)	35 in.
Maximum Tire Width (in.)(application)	12.5 in.
Recommended Wheel Width (in.)	9.00 in.
Recommended Wheel Backspace (in.)	3.250 in.
Application Notes	Uses OEM torsion keys. Includes front and rear Falcon 1.1 shocks.

Loading compatibility information...

Keep shopping

ReadyLift Suspension Lift Kits 44-30520 Kit, Front and Rear, 6 in. Lift, Front and Rear Shocks, Chevy, GMC, Kit

ReadyLift Suspension Lift Kits 44-30520 Kit, Front and Rear, 6 in. Lift, Front and Rear Shocks, Chevy, GMC, Kit

Description

Part Type

Specifications

Reference Information

Compatibility

More from Readylift Suspension

ReadyLift Suspension Leveling Kits 66-19150 & Lift Kits, Kit, Front Strut Extensions, 1.50 in. Lift Front, Ram, 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

ReadyLift Suspension SST Lift Kits for 2021-2025 F-150 - 69-21350 Kit, Lift, 3.5 in. Front/ 1.25 in. Rear, Ford, Kit

ReadyLift Suspension Lift Kits 42-30840 Kit, 8.0 in., Steering Knuckle, Leaf Spring Block, Falcon 3.3 Shocks, GMC, Chevy, Kit

ReadyLift Suspension Ball Joints 67-3412 Joint, Greasable, Upper, 4.00 in. Lift, Chevrolet, GMC, Each

ReadyLift Suspension Leveling Kits for 2023-2025 SEQUOIA, 2022-2024 TUNDRA - 66-52201 Lift, Kit, 2 in. Front Spacers, with Differential Drop Brackets, Toyota, Kit