Home / Shop / ReadyLift Suspension SST2.1 Lift Kits for 2025 SIERRA 1500, SILVERADO 1500 - 62-35440 Lift, SST 2.1 Kit, 4.0 in. Front/4.0 in. Rear, Upper Control Arms, Falcon Coilover/Shocks, Leaf Spring Block, Chevy, GMC, Kit

ReadyLift Suspension SST2.1 Lift Kits for 2025 SIERRA 1500, SILVERADO 1500 - 62-35440 Lift, SST 2.1 Kit, 4.0 in. Front/4.0 in. Rear, Upper Control Arms, Falcon Coilover/Shocks, Leaf Spring Block, Chevy, GMC, Kit

SKU: RLS62-35440

Suspension Leveling & Lift Kits

Readylift Suspension

ReadyLift Suspension SST2.1 Lift Kits for 2025 SIERRA 1500, SILVERADO 1500 - 62-35440 Lift, SST 2.1 Kit, 4.0 in. Front/4.0 in. Rear, Upper Control Arms, Falcon Coilover/Shocks, Leaf Spring Block, Chevy, GMC, Kit

SKU: RLS62-35440

Suspension Leveling & Lift Kits

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Description

ReadyLift Suspension SST2.1 lift kits offer your truck improved stance, performance, and capability, along with the ability to clear larger wheels and tires. These vehicle-specific kits feature performance-tuned Falcon 2.1 dampers/shocks on all four corners, providing a better-than-factory feel. Along with the Falcons, each kit provides complementing components for excellent handling, control, and stability. Select the kit designed for your vehicle.

Falcon features and benefits:

* Improved dynamic roll control and low-speed damping
* Dramatic improvement in on-road comfort and off-road performance
* Optimized fitment for unobstructed suspension travel and articulation
* 6061 T-6 aluminum alloy shock body resists impact to protect internal components
* Smooth-honed internal shock body surface for long-term performance
* 3/4 in. induction hardened chrome plated shaft resists rock damage, corrosion, and shaft buckling
* Large shaft diameter provides a wide range of adjustments on adjustable shocks
* Hard anodized 6061 T-6 aluminum alloy billet piston
* One-piece PTFE bronze piston wear band with O-ring

Part Type

Suspension Leveling & Lift Kits

Data: v4.2 - Upd: 2026-09-29 18:24:03

Specifications

Product Attributes - Brand: ReadyLift Suspension
Product Attributes - Manufacturer's Part Number: 62-35440
Product Attributes - Part Type: Suspension Leveling & Lift Kits
Product Attributes - Product Line: ReadyLift Suspension SST2.1 Lift Kits
Product Attributes - UPC: 194933406180
Product Attributes - Lift Style: Suspension Lift Kit
Product Attributes - Primary Front Lift Component: Coilover
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: Adjustable coilover
Product Attributes - Rear Shocks/Struts Included: Yes
Product Attributes - Rear Shock Quantity Per Wheel: 1
Product Attributes - Rear Shock Type: Double adjustable monotube with reservoir
Product Attributes - Brake Lines Included: No
Product Attributes - Hardware Included: Yes
Product Attributes - FMVSS 126 Certification: No
Product Attributes - Quantity: Sold as a kit.

Reference Information

Brand Name/s	Readylift Suspension
StreetFX SKU	rls62-35440
SFX Item ID	5009198
Supplier Item Code	5009198
Manufacturer SKU	62-35440
Manufacturer UPC	194933406180
Alternative References	SST2.1, Front/4.0

Compatibility

Application Data

Make	CHEVROLET
Model	SILVERADO 1500
Submodel	CUSTOM
Beginning Year	2025
Ending Year	2025
Engine Type	L4
Engine Size	2.7L/166
Engine Family	GM L4 GAS
Drivetrain	4WD
Amount of Lift Front	4.000 in.
Amount of Lift Rear	4.000 in.
Front Suspension	Independent front suspension
Maximum Tire Height (in.)	35 in.
Maximum Tire Width (in.)(application)	11.5 in.
Fuel Type	GAS

Make	CHEVROLET
Model	SILVERADO 1500
Submodel	CUSTOM TRAIL BOSS
Beginning Year	2025
Ending Year	2025
Engine Type	L4
Engine Size	2.7L/166
Engine Family	GM L4 GAS
Drivetrain	4WD
Amount of Lift Front	4.000 in.
Amount of Lift Rear	4.000 in.
Front Suspension	Independent front suspension
Maximum Tire Height (in.)	35 in.
Maximum Tire Width (in.)(application)	11.5 in.
Fuel Type	GAS

Make	CHEVROLET
Model	SILVERADO 1500
Submodel	CUSTOM TRAIL BOSS
Beginning Year	2025
Ending Year	2025
Engine Type	L6
Engine Size	3.0L/183
Engine Family	GM DURAMAX L6 DIESEL
Drivetrain	4WD
Amount of Lift Front	4.000 in.
Amount of Lift Rear	4.000 in.
Front Suspension	Independent front suspension
Maximum Tire Height (in.)	35 in.
Maximum Tire Width (in.)(application)	11.5 in.
Fuel Type	GAS

Make	CHEVROLET
Model	SILVERADO 1500
Submodel	CUSTOM TRAIL BOSS
Beginning Year	2025
Ending Year	2025
Engine Type	V8
Engine Size	5.3L/325
Engine Family	CHEVY SMALL BLOCK GEN V V8 GAS
Drivetrain	4WD
Amount of Lift Front	4.000 in.
Amount of Lift Rear	4.000 in.
Front Suspension	Independent front suspension
Maximum Tire Height (in.)	35 in.
Maximum Tire Width (in.)(application)	11.5 in.
Fuel Type	GAS

Make	CHEVROLET
Model	SILVERADO 1500
Submodel	HIGH COUNTRY
Beginning Year	2025
Ending Year	2025
Engine Type	L6
Engine Size	3.0L/183
Engine Family	GM DURAMAX L6 DIESEL
Drivetrain	4WD
Amount of Lift Front	4.000 in.
Amount of Lift Rear	4.000 in.
Front Suspension	Independent front suspension
Maximum Tire Height (in.)	35 in.
Maximum Tire Width (in.)(application)	11.5 in.
Fuel Type	GAS

Make	CHEVROLET
Model	SILVERADO 1500
Submodel	HIGH COUNTRY
Beginning Year	2025
Ending Year	2025
Engine Type	V8
Engine Size	5.3L/325
Engine Family	CHEVY SMALL BLOCK GEN V V8 GAS
Drivetrain	4WD
Amount of Lift Front	4.000 in.
Amount of Lift Rear	4.000 in.
Front Suspension	Independent front suspension
Maximum Tire Height (in.)	35 in.
Maximum Tire Width (in.)(application)	11.5 in.
Fuel Type	GAS

Make	CHEVROLET
Model	SILVERADO 1500
Submodel	HIGH COUNTRY
Beginning Year	2025
Ending Year	2025
Engine Type	V8
Engine Size	6.2L/376
Engine Family	CHEVY SMALL BLOCK GEN V V8 GAS
Drivetrain	4WD
Amount of Lift Front	4.000 in.
Amount of Lift Rear	4.000 in.
Front Suspension	Independent front suspension
Maximum Tire Height (in.)	35 in.
Maximum Tire Width (in.)(application)	11.5 in.
Fuel Type	GAS

Make	CHEVROLET
Model	SILVERADO 1500
Submodel	LT
Beginning Year	2025
Ending Year	2025
Engine Type	L4
Engine Size	2.7L/166
Engine Family	GM L4 GAS
Drivetrain	4WD
Amount of Lift Front	4.000 in.
Amount of Lift Rear	4.000 in.
Front Suspension	Independent front suspension
Maximum Tire Height (in.)	35 in.
Maximum Tire Width (in.)(application)	11.5 in.
Fuel Type	GAS

Make	CHEVROLET
Model	SILVERADO 1500
Submodel	LT
Beginning Year	2025
Ending Year	2025
Engine Type	L6
Engine Size	3.0L/183
Engine Family	GM DURAMAX L6 DIESEL
Drivetrain	4WD
Amount of Lift Front	4.000 in.
Amount of Lift Rear	4.000 in.
Front Suspension	Independent front suspension
Maximum Tire Height (in.)	35 in.
Maximum Tire Width (in.)(application)	11.5 in.
Fuel Type	GAS

Make	CHEVROLET
Model	SILVERADO 1500
Submodel	LT
Beginning Year	2025
Ending Year	2025
Engine Type	V8
Engine Size	5.3L/325
Engine Family	CHEVY SMALL BLOCK GEN V V8 GAS
Drivetrain	4WD
Amount of Lift Front	4.000 in.
Amount of Lift Rear	4.000 in.
Front Suspension	Independent front suspension
Maximum Tire Height (in.)	35 in.
Maximum Tire Width (in.)(application)	11.5 in.
Fuel Type	GAS

Make	CHEVROLET
Model	SILVERADO 1500
Submodel	LT TRAIL BOSS
Beginning Year	2025
Ending Year	2025
Engine Type	L4
Engine Size	2.7L/166
Engine Family	GM L4 GAS
Drivetrain	4WD
Amount of Lift Front	4.000 in.
Amount of Lift Rear	4.000 in.
Front Suspension	Independent front suspension
Maximum Tire Height (in.)	35 in.
Maximum Tire Width (in.)(application)	11.5 in.
Fuel Type	GAS

Make	CHEVROLET
Model	SILVERADO 1500
Submodel	LT TRAIL BOSS
Beginning Year	2025
Ending Year	2025
Engine Type	L6
Engine Size	3.0L/183
Engine Family	GM DURAMAX L6 DIESEL
Drivetrain	4WD
Amount of Lift Front	4.000 in.
Amount of Lift Rear	4.000 in.
Front Suspension	Independent front suspension
Maximum Tire Height (in.)	35 in.
Maximum Tire Width (in.)(application)	11.5 in.
Fuel Type	GAS

Make	CHEVROLET
Model	SILVERADO 1500
Submodel	LT TRAIL BOSS
Beginning Year	2025
Ending Year	2025
Engine Type	V8
Engine Size	5.3L/325
Engine Family	CHEVY SMALL BLOCK GEN V V8 GAS
Drivetrain	4WD
Amount of Lift Front	4.000 in.
Amount of Lift Rear	4.000 in.
Front Suspension	Independent front suspension
Maximum Tire Height (in.)	35 in.
Maximum Tire Width (in.)(application)	11.5 in.
Fuel Type	GAS

Make	CHEVROLET
Model	SILVERADO 1500
Submodel	LT TRAIL BOSS
Beginning Year	2025
Ending Year	2025
Engine Type	V8
Engine Size	6.2L/376
Engine Family	CHEVY SMALL BLOCK GEN V V8 GAS
Drivetrain	4WD
Amount of Lift Front	4.000 in.
Amount of Lift Rear	4.000 in.
Front Suspension	Independent front suspension
Maximum Tire Height (in.)	35 in.
Maximum Tire Width (in.)(application)	11.5 in.
Fuel Type	GAS

Make	CHEVROLET
Model	SILVERADO 1500
Submodel	LTZ
Beginning Year	2025
Ending Year	2025
Engine Type	L6
Engine Size	3.0L/183
Engine Family	GM DURAMAX L6 DIESEL
Drivetrain	4WD
Amount of Lift Front	4.000 in.
Amount of Lift Rear	4.000 in.
Front Suspension	Independent front suspension
Maximum Tire Height (in.)	35 in.
Maximum Tire Width (in.)(application)	11.5 in.
Fuel Type	GAS

Make	CHEVROLET
Model	SILVERADO 1500
Submodel	LTZ
Beginning Year	2025
Ending Year	2025
Engine Type	V8
Engine Size	5.3L/325
Engine Family	CHEVY SMALL BLOCK GEN V V8 GAS
Drivetrain	4WD
Amount of Lift Front	4.000 in.
Amount of Lift Rear	4.000 in.
Front Suspension	Independent front suspension
Maximum Tire Height (in.)	35 in.
Maximum Tire Width (in.)(application)	11.5 in.
Fuel Type	GAS

Make	CHEVROLET
Model	SILVERADO 1500
Submodel	LTZ
Beginning Year	2025
Ending Year	2025
Engine Type	V8
Engine Size	6.2L/376
Engine Family	CHEVY SMALL BLOCK GEN V V8 GAS
Drivetrain	4WD
Amount of Lift Front	4.000 in.
Amount of Lift Rear	4.000 in.
Front Suspension	Independent front suspension
Maximum Tire Height (in.)	35 in.
Maximum Tire Width (in.)(application)	11.5 in.
Fuel Type	GAS

Make	CHEVROLET
Model	SILVERADO 1500
Submodel	PPV
Beginning Year	2025
Ending Year	2025
Engine Type	V8
Engine Size	5.3L/325
Engine Family	CHEVY SMALL BLOCK GEN V V8 GAS
Drivetrain	4WD
Amount of Lift Front	4.000 in.
Amount of Lift Rear	4.000 in.
Front Suspension	Independent front suspension
Maximum Tire Height (in.)	35 in.
Maximum Tire Width (in.)(application)	11.5 in.
Fuel Type	GAS

Make	CHEVROLET
Model	SILVERADO 1500
Submodel	RST
Beginning Year	2025
Ending Year	2025
Engine Type	L4
Engine Size	2.7L/166
Engine Family	GM L4 GAS
Drivetrain	4WD
Amount of Lift Front	4.000 in.
Amount of Lift Rear	4.000 in.
Front Suspension	Independent front suspension
Maximum Tire Height (in.)	35 in.
Maximum Tire Width (in.)(application)	11.5 in.
Fuel Type	GAS

Make	CHEVROLET
Model	SILVERADO 1500
Submodel	RST
Beginning Year	2025
Ending Year	2025
Engine Type	L6
Engine Size	3.0L/183
Engine Family	GM DURAMAX L6 DIESEL
Drivetrain	4WD
Amount of Lift Front	4.000 in.
Amount of Lift Rear	4.000 in.
Front Suspension	Independent front suspension
Maximum Tire Height (in.)	35 in.
Maximum Tire Width (in.)(application)	11.5 in.
Fuel Type	GAS

Make	CHEVROLET
Model	SILVERADO 1500
Submodel	RST
Beginning Year	2025
Ending Year	2025
Engine Type	V8
Engine Size	5.3L/325
Engine Family	CHEVY SMALL BLOCK GEN V V8 GAS
Drivetrain	4WD
Amount of Lift Front	4.000 in.
Amount of Lift Rear	4.000 in.
Front Suspension	Independent front suspension
Maximum Tire Height (in.)	35 in.
Maximum Tire Width (in.)(application)	11.5 in.
Fuel Type	GAS

Make	CHEVROLET
Model	SILVERADO 1500
Submodel	RST
Beginning Year	2025
Ending Year	2025
Engine Type	V8
Engine Size	6.2L/376
Engine Family	CHEVY SMALL BLOCK GEN V V8 GAS
Drivetrain	4WD
Amount of Lift Front	4.000 in.
Amount of Lift Rear	4.000 in.
Front Suspension	Independent front suspension
Maximum Tire Height (in.)	35 in.
Maximum Tire Width (in.)(application)	11.5 in.
Fuel Type	GAS

Make	CHEVROLET
Model	SILVERADO 1500
Submodel	WT
Beginning Year	2025
Ending Year	2025
Engine Type	L4
Engine Size	2.7L/166
Engine Family	GM L4 GAS
Drivetrain	4WD
Amount of Lift Front	4.000 in.
Amount of Lift Rear	4.000 in.
Front Suspension	Independent front suspension
Maximum Tire Height (in.)	35 in.
Maximum Tire Width (in.)(application)	11.5 in.
Fuel Type	GAS

Make	CHEVROLET
Model	SILVERADO 1500
Submodel	WT
Beginning Year	2025
Ending Year	2025
Engine Type	V8
Engine Size	5.3L/325
Engine Family	CHEVY SMALL BLOCK GEN V V8 FLEX FUEL
Drivetrain	4WD
Amount of Lift Front	4.000 in.
Amount of Lift Rear	4.000 in.
Front Suspension	Independent front suspension
Maximum Tire Height (in.)	35 in.
Maximum Tire Width (in.)(application)	11.5 in.
Fuel Type	GAS

Make	CHEVROLET
Model	SILVERADO 1500
Submodel	WT
Beginning Year	2025
Ending Year	2025
Engine Type	V8
Engine Size	5.3L/325
Engine Family	CHEVY SMALL BLOCK GEN V V8 GAS
Drivetrain	4WD
Amount of Lift Front	4.000 in.
Amount of Lift Rear	4.000 in.
Front Suspension	Independent front suspension
Maximum Tire Height (in.)	35 in.
Maximum Tire Width (in.)(application)	11.5 in.
Fuel Type	GAS

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ReadyLift Suspension SST2.1 Lift Kits for 2025 SIERRA 1500, SILVERADO 1500 - 62-35440 Lift, SST 2.1 Kit, 4.0 in. Front/4.0 in. Rear, Upper Control Arms, Falcon Coilover/Shocks, Leaf Spring Block, Chevy, GMC, Kit

ReadyLift Suspension SST2.1 Lift Kits for 2025 SIERRA 1500, SILVERADO 1500 - 62-35440 Lift, SST 2.1 Kit, 4.0 in. Front/4.0 in. Rear, Upper Control Arms, Falcon Coilover/Shocks, Leaf Spring Block, Chevy, GMC, Kit

Description

Part Type

Specifications

Reference Information

Compatibility

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