Home / Shop / ReadyLift Suspension Lift Kits for 2021-2024 F-150 - 42-21640 Kit, 6.00 in. Lift, Differential Cradle, Leaf Spring Block, Falcon 3.3 Shocks, Ford, Kit

ReadyLift Suspension Lift Kits for 2021-2024 F-150 - 42-21640 Kit, 6.00 in. Lift, Differential Cradle, Leaf Spring Block, Falcon 3.3 Shocks, Ford, Kit

SKU: RLS42-21640

Suspension Leveling & Lift Kits

Readylift Suspension

ReadyLift Suspension Lift Kits for 2021-2024 F-150 - 42-21640 Kit, 6.00 in. Lift, Differential Cradle, Leaf Spring Block, Falcon 3.3 Shocks, Ford, Kit

SKU: RLS42-21640

Suspension Leveling & Lift Kits

Sale ends in Calculating... Fri 16 Oct, 12:54 am AEST

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: Will not work on applications using the Continuous Control Damping system. With trimming a maximum tire height of 37 in. and width of 12.5 in. can be used.

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 04:50:19

Specifications

Product Attributes - Brand: ReadyLift Suspension
Product Attributes - Manufacturer's Part Number: 42-21640
Product Attributes - Part Type: Suspension Leveling & Lift Kits
Product Attributes - Product Line: ReadyLift Suspension Lift Kits
Product Attributes - UPC: 194933313891
Product Attributes - Front Lifted Amount Range (in): 6.00
Product Attributes - Rear Lifted Amount Range (in): 6.00
Product Attributes - Lift Style: Suspension Lift Kit
Product Attributes - Primary Front Lift Component: Differential cradle
Product Attributes - Primary Rear Lift Component: Leaf spring block
Product Attributes - Max Tire Height (in): 37.00
Product Attributes - Max Tire Width (in): 12.50
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: Adjustable coilover
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: Will not work on applications using the Continuous Control Damping system. With trimming a maximum tire height of 37 in. and width of 12.5 in. can be used.

Reference Information

Brand Name/s	Readylift Suspension
StreetFX SKU	rls42-21640
SFX Item ID	5008804
Supplier Item Code	5008804
Manufacturer SKU	42-21640
Manufacturer UPC	194933313891
Alternative References	F-150

Compatibility

Application Data

Application Notes	4WD; Big Lift Kit w/Shocks; 6 in. Lift; w/Falcon 3.3 Monotube Struts/Shocks
Beginning Year	2021
Body Style	Crew Cab Pickup
CC	2993
CID	183
Drivetrain	4WD
Ending Year	2021
Engine Family	Powerstroke diesel V6
Engine Size	3.0L/183
Engine Type	V6
Engine VIN Code	1
Liter	3.0
Make	FORD
Model	F-150
Region	USA
Submodel	KING RANCH

Application Notes	4WD; Big Lift Kit w/Shocks; 6 in. Lift; w/Falcon 3.3 Monotube Struts/Shocks
Beginning Year	2021
Body Style	Crew Cab Pickup
CC	5038
CID	307
Drivetrain	4WD
Ending Year	2023
Engine Family	FORD MODULAR V8 FLEX FUEL
Engine Size	5.0L/307
Engine Type	V8
Engine VIN Code	5
Liter	5.0
Make	FORD
Model	F-150
Region	USA
Submodel	KING RANCH

Application Notes	Big Lift Kit w/Shocks; 6 in. Lift; w/Falcon 3.3 Monotube Struts/Shocks
Beginning Year	2021
Body Style	Crew Cab Pickup
CC	3496
CID	213
Drivetrain	4WD
Ending Year	2024
Engine Family	FORD V6 FULL HYBRID EV-GAS (FHEV)
Engine Size	3.5L/213
Engine Type	V6
Engine VIN Code	D
Liter	3.5
Make	FORD
Model	F-150
Region	USA
Submodel	KING RANCH

Application Notes	Big Lift Kit w/Shocks; 6 in. Lift; w/Falcon 3.3 Monotube Struts/Shocks
Beginning Year	2021
Body Style	Crew Cab Pickup
CC	3496
CID	213
Drivetrain	4WD
Ending Year	2024
Engine Family	FORD V6 GAS
Engine Size	3.5L/213
Engine Type	V6
Engine VIN Code	8
Liter	3.5
Make	FORD
Model	F-150
Region	USA
Submodel	KING RANCH

Application Notes	Big Lift Kit w/Shocks; 6 in. Lift; w/Falcon 3.3 Monotube Struts/Shocks
Beginning Year	2023
Body Style	Crew Cab Pickup
CC	3496
CID	213
Drivetrain	RWD
Ending Year	2023
Engine Family	FORD V6 FULL HYBRID EV-GAS (FHEV)
Engine Size	3.5L/213
Engine Type	V6
Engine VIN Code	D
Liter	3.5
Make	FORD
Model	F-150
Region	USA
Submodel	KING RANCH

Application Notes	Big Lift Kit w/Shocks; 6 in. Lift; w/Falcon 3.3 Monotube Struts/Shocks
Beginning Year	2023
Body Style	Crew Cab Pickup
CC	3496
CID	213
Drivetrain	RWD
Ending Year	2023
Engine Family	FORD V6 GAS
Engine Size	3.5L/213
Engine Type	V6
Engine VIN Code	8
Liter	3.5
Make	FORD
Model	F-150
Region	USA
Submodel	KING RANCH

Application Notes	Big Lift Kit w/Shocks; 6 in. Lift; w/Falcon 3.3 Monotube Struts/Shocks
Beginning Year	2023
Body Style	Crew Cab Pickup
CC	5038
CID	307
Drivetrain	RWD
Ending Year	2023
Engine Family	FORD MODULAR V8 FLEX FUEL
Engine Size	5.0L/307
Engine Type	V8
Engine VIN Code	5
Liter	5.0
Make	FORD
Model	F-150
Region	USA
Submodel	KING RANCH

Application Notes	4WD; Big Lift Kit w/Shocks; 6 in. Lift; w/Falcon 3.3 Monotube Struts/Shocks
Beginning Year	2021
Body Style	Crew Cab Pickup
CC	2993
CID	183
Drivetrain	4WD
Ending Year	2021
Engine Family	Powerstroke diesel V6
Engine Size	3.0L/183
Engine Type	V6
Engine VIN Code	1
Liter	3.0
Make	FORD
Model	F-150
Region	USA
Submodel	LARIAT

Application Notes	4WD; Big Lift Kit w/Shocks; 6 in. Lift; w/Falcon 3.3 Monotube Struts/Shocks
Beginning Year	2021
Body Style	Extended Cab Pickup
CC	2993
CID	183
Drivetrain	4WD
Ending Year	2021
Engine Family	Powerstroke diesel V6
Engine Size	3.0L/183
Engine Type	V6
Engine VIN Code	1
Liter	3.0
Make	FORD
Model	F-150
Region	USA
Submodel	LARIAT

Application Notes	4WD; Big Lift Kit w/Shocks; 6 in. Lift; w/Falcon 3.3 Monotube Struts/Shocks
Beginning Year	2021
Body Style	Crew Cab Pickup
CID	164
Drivetrain	4WD
Ending Year	2023
Engine Family	FORD V6 GAS
Engine Size	2.7L/164
Engine Type	V6
Engine VIN Code	P
Liter	2.7
Make	FORD
Model	F-150
Region	USA
Submodel	LARIAT

Application Notes	4WD; Big Lift Kit w/Shocks; 6 in. Lift; w/Falcon 3.3 Monotube Struts/Shocks
Beginning Year	2021
Body Style	Extended Cab Pickup
CID	164
Drivetrain	4WD
Ending Year	2023
Engine Family	FORD V6 GAS
Engine Size	2.7L/164
Engine Type	V6
Engine VIN Code	P
Liter	2.7
Make	FORD
Model	F-150
Region	USA
Submodel	LARIAT

Application Notes	4WD; Big Lift Kit w/Shocks; 6 in. Lift; w/Falcon 3.3 Monotube Struts/Shocks
Beginning Year	2021
Body Style	Extended Cab Pickup
CC	3496
CID	213
Drivetrain	4WD
Ending Year	2023
Engine Family	FORD V6 FULL HYBRID EV-GAS (FHEV)
Engine Size	3.5L/213
Engine Type	V6
Engine VIN Code	D
Liter	3.5
Make	FORD
Model	F-150
Region	USA
Submodel	LARIAT

Application Notes	4WD; Big Lift Kit w/Shocks; 6 in. Lift; w/Falcon 3.3 Monotube Struts/Shocks
Beginning Year	2021
Body Style	Extended Cab Pickup
CC	3496
CID	213
Drivetrain	4WD
Ending Year	2023
Engine Family	FORD V6 GAS
Engine Size	3.5L/213
Engine Type	V6
Engine VIN Code	8
Liter	3.5
Make	FORD
Model	F-150
Region	USA
Submodel	LARIAT

Application Notes	4WD; Big Lift Kit w/Shocks; 6 in. Lift; w/Falcon 3.3 Monotube Struts/Shocks
Beginning Year	2021
Body Style	Extended Cab Pickup
CC	5038
CID	307
Drivetrain	4WD
Ending Year	2023
Engine Family	FORD MODULAR V8 FLEX FUEL
Engine Size	5.0L/307
Engine Type	V8
Engine VIN Code	5
Liter	5.0
Make	FORD
Model	F-150
Region	USA
Submodel	LARIAT

Application Notes	Big Lift Kit w/Shocks; 6 in. Lift; w/Falcon 3.3 Monotube Struts/Shocks
Beginning Year	2021
Body Style	Crew Cab Pickup
CC	3496
CID	213
Drivetrain	4WD
Ending Year	2024
Engine Family	FORD V6 FULL HYBRID EV-GAS (FHEV)
Engine Size	3.5L/213
Engine Type	V6
Engine VIN Code	D
Liter	3.5
Make	FORD
Model	F-150
Region	USA
Submodel	LARIAT

Application Notes	Big Lift Kit w/Shocks; 6 in. Lift; w/Falcon 3.3 Monotube Struts/Shocks
Beginning Year	2021
Body Style	Crew Cab Pickup
CC	3496
CID	213
Drivetrain	4WD
Ending Year	2024
Engine Family	FORD V6 GAS
Engine Size	3.5L/213
Engine Type	V6
Engine VIN Code	8
Liter	3.5
Make	FORD
Model	F-150
Region	USA
Submodel	LARIAT

Application Notes	Big Lift Kit w/Shocks; 6 in. Lift; w/Falcon 3.3 Monotube Struts/Shocks
Beginning Year	2021
Body Style	Crew Cab Pickup
CC	5038
CID	307
Drivetrain	4WD
Ending Year	2024
Engine Family	FORD MODULAR V8 FLEX FUEL
Engine Size	5.0L/307
Engine Type	V8
Engine VIN Code	5
Liter	5.0
Make	FORD
Model	F-150
Region	USA
Submodel	LARIAT

Application Notes	4WD; Big Lift Kit w/Shocks; 6 in. Lift; w/Falcon 3.3 Monotube Struts/Shocks
Beginning Year	2021
Body Style	Crew Cab Pickup
CC	3496
CID	213
Drivetrain	4WD
Ending Year	2023
Engine Family	FORD V6 FULL HYBRID EV-GAS (FHEV)
Engine Size	3.5L/213
Engine Type	V6
Engine VIN Code	D
Liter	3.5
Make	FORD
Model	F-150
Region	USA
Submodel	LIMITED

Application Notes	4WD; Big Lift Kit w/Shocks; 6 in. Lift; w/Falcon 3.3 Monotube Struts/Shocks
Beginning Year	2021
Body Style	Crew Cab Pickup
CC	3496
CID	213
Drivetrain	4WD
Ending Year	2023
Engine Family	FORD V6 GAS
Engine Size	3.5L/213
Engine Type	V6
Engine VIN Code	G
Liter	3.5
Make	FORD
Model	F-150
Region	USA
Submodel	LIMITED

Application Notes	Big Lift Kit w/Shocks; 6 in. Lift; w/Falcon 3.3 Monotube Struts/Shocks
Beginning Year	2023
Body Style	Crew Cab Pickup
CC	3496
CID	213
Drivetrain	RWD
Ending Year	2023
Engine Family	FORD V6 FULL HYBRID EV-GAS (FHEV)
Engine Size	3.5L/213
Engine Type	V6
Engine VIN Code	D
Liter	3.5
Make	FORD
Model	F-150
Region	USA
Submodel	LIMITED

Application Notes	Big Lift Kit w/Shocks; 6 in. Lift; w/Falcon 3.3 Monotube Struts/Shocks
Beginning Year	2023
Body Style	Crew Cab Pickup
CC	3496
CID	213
Drivetrain	RWD
Ending Year	2023
Engine Family	FORD V6 GAS
Engine Size	3.5L/213
Engine Type	V6
Engine VIN Code	G
Liter	3.5
Make	FORD
Model	F-150
Region	USA
Submodel	LIMITED

Application Notes	4WD; Big Lift Kit w/Shocks; 6 in. Lift; w/Falcon 3.3 Monotube Struts/Shocks
Beginning Year	2021
Body Style	Crew Cab Pickup
CC	2993
CID	183
Drivetrain	4WD
Ending Year	2021
Engine Family	Powerstroke diesel V6
Engine Size	3.0L/183
Engine Type	V6
Engine VIN Code	1
Liter	3.0
Make	FORD
Model	F-150
Region	USA
Submodel	PLATINUM

Application Notes	4WD; Big Lift Kit w/Shocks; 6 in. Lift; w/Falcon 3.3 Monotube Struts/Shocks
Beginning Year	2021
Body Style	Crew Cab Pickup
CC	5038
CID	307
Drivetrain	4WD
Ending Year	2023
Engine Family	FORD MODULAR V8 FLEX FUEL
Engine Size	5.0L/307
Engine Type	V8
Engine VIN Code	5
Liter	5.0
Make	FORD
Model	F-150
Region	USA
Submodel	PLATINUM

Application Notes	Big Lift Kit w/Shocks; 6 in. Lift; w/Falcon 3.3 Monotube Struts/Shocks
Beginning Year	2021
Body Style	Crew Cab Pickup
CC	3496
CID	213
Drivetrain	4WD
Ending Year	2024
Engine Family	FORD V6 FULL HYBRID EV-GAS (FHEV)
Engine Size	3.5L/213
Engine Type	V6
Engine VIN Code	D
Liter	3.5
Make	FORD
Model	F-150
Region	USA
Submodel	PLATINUM

Application Notes	Big Lift Kit w/Shocks; 6 in. Lift; w/Falcon 3.3 Monotube Struts/Shocks
Beginning Year	2021
Body Style	Crew Cab Pickup
CC	3496
CID	213
Drivetrain	4WD
Ending Year	2024
Engine Family	FORD V6 GAS
Engine Size	3.5L/213
Engine Type	V6
Engine VIN Code	8
Liter	3.5
Make	FORD
Model	F-150
Region	USA
Submodel	PLATINUM

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ReadyLift Suspension Lift Kits for 2021-2024 F-150 - 42-21640 Kit, 6.00 in. Lift, Differential Cradle, Leaf Spring Block, Falcon 3.3 Shocks, Ford, Kit

ReadyLift Suspension Lift Kits for 2021-2024 F-150 - 42-21640 Kit, 6.00 in. Lift, Differential Cradle, Leaf Spring Block, Falcon 3.3 Shocks, Ford, Kit

Description

Part Type

Specifications

Reference Information

Compatibility

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