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Readylift Suspension

ReadyLift Suspension Rear Block Kits for 2004-2020 F-150 - 66-2555 Lift, Kit, 5.5 in. Lift, Cast Iron, Ford, Kit

SKU: RLS66-2555

Suspension Leveling & Lift Kits
ReadyLift Suspension Rear Block Kits for 2004-2020 F-150 - 66-2555 Lift, Kit, 5.5 in. Lift, Cast Iron, Ford, Kit

Readylift Suspension

ReadyLift Suspension Rear Block Kits for 2004-2020 F-150 - 66-2555 Lift, Kit, 5.5 in. Lift, Cast Iron, Ford, Kit

SKU: RLS66-2555

Suspension Leveling & Lift Kits
A$802.12
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

Are you hauling or towing? Suspension rear block kits from ReadyLift Suspension will give your truck the needed rake to do the job. Based on OEM designs and made from hefty cast iron, these blocks will safely lift the rear of your truck 1 to 3 in., while maintaining that factory ride. So, whether you're hauling a load or just fitting those oversized tires, ReadyLift rear block kits are what you need.

Part Type

Suspension Leveling & Lift Kits

Data: v4.2 - Upd: 2026-10-15 04:48:45

Specifications

Product Attributes - Brand
ReadyLift Suspension
Product Attributes - Manufacturer's Part Number
66-2555
Product Attributes - Part Type
Suspension Leveling & Lift Kits
Product Attributes - Product Line
ReadyLift Suspension Rear Block Kits
Product Attributes - UPC
804879610595
Product Attributes - Front Lifted Amount Range (in)
0.00
Product Attributes - Rear Lifted Amount Range (in)
5.50
Product Attributes - Lift Style
Suspension Lift Kit
Product Attributes - Primary Rear Lift Component
Leaf spring block
Product Attributes - Front Shocks/Struts Included
No
Product Attributes - Rear Shocks/Struts Included
No
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 rls66-2555
SFX Item ID 5008969
Supplier Item Code 5008969
Manufacturer SKU 66-2555
Manufacturer UPC 804879610595
Alternative References F-150

Compatibility

Application Data
  • Application NotesRear Block Kit; 5.5 in.
    Beginning Year2004
    Body StyleCrew Cab Pickup
    CID330
    Drivetrain4WD
    Ending Year2008
    Engine FamilyFORD MODULAR V8 GAS
    Engine Size5.4L/330
    Engine TypeV8
    Engine VIN Code5
    Liter5.4
    MakeFORD
    ModelF-150
    RegionUSA
    SubmodelFX4
  • Application NotesRear Block Kit; 5.5 in.
    Beginning Year2004
    Body StyleExtended Cab Pickup
    CID330
    Drivetrain4WD
    Ending Year2008
    Engine FamilyFORD MODULAR V8 GAS
    Engine Size5.4L/330
    Engine TypeV8
    Engine VIN Code5
    Liter5.4
    MakeFORD
    ModelF-150
    RegionUSA
    SubmodelFX4
  • Application NotesRear Block Kit; 5.5 in.
    Beginning Year2004
    Body StyleStandard Cab Pickup
    CID330
    Drivetrain4WD
    Ending Year2008
    Engine FamilyFORD MODULAR V8 GAS
    Engine Size5.4L/330
    Engine TypeV8
    Engine VIN Code5
    Liter5.4
    MakeFORD
    ModelF-150
    RegionUSA
    SubmodelFX4
  • Application NotesRear Block Kit; 5.5 in.
    Beginning Year2006
    Body StyleStandard Cab Pickup
    CID330
    Drivetrain4WD
    Ending Year2008
    Engine FamilyFORD MODULAR V8 FLEX FUEL
    Engine Size5.4L/330
    Engine TypeV8
    Engine VIN CodeV
    Liter5.4
    MakeFORD
    ModelF-150
    RegionUSA
    SubmodelFX4
  • Application NotesRear Block Kit; 5.5 in.
    Beginning Year2006
    Body StyleCrew Cab Pickup
    CID330
    Drivetrain4WD
    Ending Year2010
    Engine FamilyFORD MODULAR V8 FLEX FUEL
    Engine Size5.4L/330
    Engine TypeV8
    Engine VIN CodeV
    Liter5.4
    MakeFORD
    ModelF-150
    RegionUSA
    SubmodelFX4
  • Application NotesRear Block Kit; 5.5 in.
    Beginning Year2006
    Body StyleExtended Cab Pickup
    CID330
    Drivetrain4WD
    Ending Year2010
    Engine FamilyFORD MODULAR V8 FLEX FUEL
    Engine Size5.4L/330
    Engine TypeV8
    Engine VIN CodeV
    Liter5.4
    MakeFORD
    ModelF-150
    RegionUSA
    SubmodelFX4
  • Application NotesRear Block Kit; 5.5 in.
    Beginning Year2011
    Body StyleCrew Cab Pickup
    CC3496
    CID213
    Drivetrain4WD
    Ending Year2014
    Engine FamilyFORD V6 GAS
    Engine Size3.5L/213
    Engine TypeV6
    Engine VIN CodeT
    Liter3.5
    MakeFORD
    ModelF-150
    RegionUSA
    SubmodelFX4
  • Application NotesRear Block Kit; 5.5 in.
    Beginning Year2011
    Body StyleExtended Cab Pickup
    CC3496
    CID213
    Drivetrain4WD
    Ending Year2014
    Engine FamilyFORD V6 GAS
    Engine Size3.5L/213
    Engine TypeV6
    Engine VIN CodeT
    Liter3.5
    MakeFORD
    ModelF-150
    RegionUSA
    SubmodelFX4
  • Application NotesRear Block Kit; 5.5 in.
    Beginning Year2011
    Body StyleCrew Cab Pickup
    CC4951
    CID302
    Drivetrain4WD
    Ending Year2014
    Engine FamilyFORD MODULAR V8 FLEX FUEL
    Engine Size5.0L/302
    Engine TypeV8
    Engine VIN CodeF
    Liter5.0
    MakeFORD
    ModelF-150
    RegionUSA
    SubmodelFX4
  • Application NotesRear Block Kit; 5.5 in.
    Beginning Year2011
    Body StyleExtended Cab Pickup
    CC4951
    CID302
    Drivetrain4WD
    Ending Year2014
    Engine FamilyFORD MODULAR V8 FLEX FUEL
    Engine Size5.0L/302
    Engine TypeV8
    Engine VIN CodeF
    Liter5.0
    MakeFORD
    ModelF-150
    RegionUSA
    SubmodelFX4
  • Application NotesRear Block Kit; 5.5 in.
    Beginning Year2013
    Body StyleCrew Cab Pickup
    CC6210
    CID379
    Drivetrain4WD
    Ending Year2014
    Engine FamilyFORD MODULAR V8 GAS
    Engine Size6.2L/379
    Engine TypeV8
    Engine VIN Code6
    Liter6.2
    MakeFORD
    ModelF-150
    RegionUSA
    SubmodelFX4
  • Application NotesRear Block Kit; 5.5 in.
    Beginning Year2013
    Body StyleExtended Cab Pickup
    CC6210
    CID379
    Drivetrain4WD
    Ending Year2014
    Engine FamilyFORD MODULAR V8 GAS
    Engine Size6.2L/379
    Engine TypeV8
    Engine VIN Code6
    Liter6.2
    MakeFORD
    ModelF-150
    RegionUSA
    SubmodelFX4
  • Application NotesRear Block Kit; 5.5 in.
    Beginning Year2014
    Body StyleStandard Cab Pickup
    CC3496
    CID213
    Drivetrain4WD
    Ending Year2014
    Engine FamilyFORD V6 GAS
    Engine Size3.5L/213
    Engine TypeV6
    Engine VIN CodeT
    Liter3.5
    MakeFORD
    ModelF-150
    RegionUSA
    SubmodelFX4
  • Application NotesRear Block Kit; 5.5 in.
    Beginning Year2014
    Body StyleStandard Cab Pickup
    CC4951
    CID302
    Drivetrain4WD
    Ending Year2014
    Engine FamilyFORD MODULAR V8 FLEX FUEL
    Engine Size5.0L/302
    Engine TypeV8
    Engine VIN CodeF
    Liter5.0
    MakeFORD
    ModelF-150
    RegionUSA
    SubmodelFX4
  • Application NotesRear Block Kit; 5.5 in.
    Beginning Year2014
    Body StyleStandard Cab Pickup
    CC6210
    CID379
    Drivetrain4WD
    Ending Year2014
    Engine FamilyFORD MODULAR V8 GAS
    Engine Size6.2L/379
    Engine TypeV8
    Engine VIN Code6
    Liter6.2
    MakeFORD
    ModelF-150
    RegionUSA
    SubmodelFX4
  • Application Notes4WD; Rear Block Kit; 5.5 in.
    Beginning Year2006
    Body StyleExtended Cab Pickup
    CID330
    Drivetrain4WD
    Ending Year2006
    Engine FamilyFORD MODULAR V8 FLEX FUEL
    Engine Size5.4L/330
    Engine TypeV8
    Engine VIN CodeV
    Liter5.4
    MakeFORD
    ModelF-150
    RegionUSA
    SubmodelHARLEY-DAVIDSON EDITION
  • Application Notes4WD; Rear Block Kit; 5.5 in.
    Beginning Year2006
    Body StyleExtended Cab Pickup
    CID330
    Drivetrain4WD
    Ending Year2006
    Engine FamilyFORD MODULAR V8 GAS
    Engine Size5.4L/330
    Engine TypeV8
    Engine VIN Code5
    Liter5.4
    MakeFORD
    ModelF-150
    RegionUSA
    SubmodelHARLEY-DAVIDSON EDITION
  • Application Notes4WD; Rear Block Kit; 5.5 in.
    Beginning Year2007
    Body StyleCrew Cab Pickup
    CID330
    Drivetrain4WD
    Ending Year2008
    Engine FamilyFORD MODULAR V8 GAS
    Engine Size5.4L/330
    Engine TypeV8
    Engine VIN Code5
    Liter5.4
    MakeFORD
    ModelF-150
    RegionUSA
    SubmodelHARLEY-DAVIDSON EDITION
  • Application Notes4WD; Rear Block Kit; 5.5 in.
    Beginning Year2008
    Body StyleCrew Cab Pickup
    CID330
    Drivetrain4WD
    Ending Year2008
    Engine FamilyFORD MODULAR V8 FLEX FUEL
    Engine Size5.4L/330
    Engine TypeV8
    Engine VIN CodeV
    Liter5.4
    MakeFORD
    ModelF-150
    RegionUSA
    SubmodelHARLEY-DAVIDSON EDITION
  • Application Notes4WD; Rear Block Kit; 5.5 in.
    Beginning Year2005
    Body StyleCrew Cab Pickup
    CID330
    Drivetrain4WD
    Ending Year2008
    Engine FamilyFORD MODULAR V8 GAS
    Engine Size5.4L/330
    Engine TypeV8
    Engine VIN Code5
    Liter5.4
    MakeFORD
    ModelF-150
    RegionUSA
    SubmodelKING RANCH
  • Application Notes4WD; Rear Block Kit; 5.5 in.
    Beginning Year2006
    Body StyleCrew Cab Pickup
    CID330
    Drivetrain4WD
    Ending Year2010
    Engine FamilyFORD MODULAR V8 FLEX FUEL
    Engine Size5.4L/330
    Engine TypeV8
    Engine VIN CodeV
    Liter5.4
    MakeFORD
    ModelF-150
    RegionUSA
    SubmodelKING RANCH
  • Application Notes4WD; Rear Block Kit; 5.5 in.
    Beginning Year2011
    Body StyleCrew Cab Pickup
    CC3496
    CID213
    Drivetrain4WD
    Ending Year2014
    Engine FamilyFORD V6 GAS
    Engine Size3.5L/213
    Engine TypeV6
    Engine VIN CodeT
    Liter3.5
    MakeFORD
    ModelF-150
    RegionUSA
    SubmodelKING RANCH
  • Application Notes4WD; Rear Block Kit; 5.5 in.
    Beginning Year2011
    Body StyleCrew Cab Pickup
    CC4951
    CID302
    Drivetrain4WD
    Ending Year2017
    Engine FamilyFORD MODULAR V8 FLEX FUEL
    Engine Size5.0L/302
    Engine TypeV8
    Engine VIN CodeF
    Liter5.0
    MakeFORD
    ModelF-150
    RegionUSA
    SubmodelKING RANCH
  • Application Notes4WD; Rear Block Kit; 5.5 in.
    Beginning Year2015
    Body StyleCrew Cab Pickup
    CC3496
    CID213
    Drivetrain4WD
    Ending Year2018
    Engine FamilyFORD V6 GAS
    Engine Size3.5L/213
    Engine TypeV6
    Engine VIN CodeG
    Liter3.5
    MakeFORD
    ModelF-150
    RegionUSA
    SubmodelKING RANCH
  • Application Notes4WD; Rear Block Kit; 5.5 in.
    Beginning Year2018
    Body StyleCrew Cab Pickup
    CC2993
    CID183
    Drivetrain4WD
    Ending Year2020
    Engine FamilyPowerstroke diesel V6
    Engine Size3.0L/183
    Engine TypeV6
    Engine VIN Code1
    Liter3.0
    MakeFORD
    ModelF-150
    RegionUSA
    SubmodelKING RANCH

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