Street. Track. Everything between.
Your garage Find parts for your vehicle Select year, make and model to narrow your search.

ReadyLift Suspension Rear Block Kits 66-3003 Leaf Spring Blocks, 3.0 in. Block, Cast Iron, Chevy, GMC, Kit

SKU: RLS66-3003

Suspension Blocks

ReadyLift Suspension Rear Block Kits 66-3003 Leaf Spring Blocks, 3.0 in. Block, Cast Iron, Chevy, GMC, Kit

SKU: RLS66-3003

Suspension Blocks
A$729.03
LOW STOCK! Est Ship 4-7 days. HURRY! LOW STOCK. This item is in limited stock at one of our distribution centres. The ETA is the approximate time required to prepare your order for dispatch.
View cart
We accept
American Express
Mastercard
Visa
PayPal Checkout
Direct Deposit
Afterpay
Apple Pay
Google Pay
Zip Pay

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 Blocks

Data: v4.2 - Upd: 2026-10-15 04:50:19

Specifications

Product Attributes - Brand
ReadyLift Suspension
Product Attributes - Manufacturer's Part Number
66-3003
Product Attributes - Part Type
Suspension Blocks
Product Attributes - Product Line
ReadyLift Suspension Rear Block Kits
Product Attributes - UPC
893131001301
Product Attributes - Block Thickness (in.)
3.00
Product Attributes - Block Material
Cast iron
Product Attributes - U-Bolts Included
Yes
Product Attributes - Quantity
Sold as a kit.
Product Attributes - Notes
This 3.00 in. tall block kit will lift the rear of the truck by approximately 1.75 in.

Reference Information

Brand Name/s Readylift Suspension
StreetFX SKU rls66-3003
SFX Item ID 5008806
Supplier Item Code 5008806
Manufacturer SKU 66-3003
Manufacturer UPC 893131001301

Compatibility

Application Data
  • UniversalNo
    MakeGMC
    ModelSIERRA 1500 CLASSIC
    SubmodelSL
    Beginning Year2012
    Ending Year2011
    DrivetrainRWD
    Block PositionRear axle
  • UniversalNo
    MakeGMC
    ModelSIERRA 1500 CLASSIC
    SubmodelSL
    Beginning Year2012
    Ending Year2011
    Drivetrain4WD
    Block PositionRear axle
  • UniversalNo
    MakeGMC
    ModelSIERRA 1500 CLASSIC
    SubmodelLTZ
    Beginning Year2012
    Ending Year2018
    DrivetrainRWD
    Block PositionRear axle
  • UniversalNo
    MakeGMC
    ModelSIERRA 1500 CLASSIC
    SubmodelWT
    Beginning Year2003
    Ending Year2018
    DrivetrainAWD
    Block PositionRear axle
  • UniversalNo
    MakeGMC
    ModelSIERRA 1500 CLASSIC
    SubmodelWT
    Beginning Year2005
    Ending Year2018
    DrivetrainRWD
    Block PositionRear axle
  • UniversalNo
    MakeGMC
    ModelSIERRA 1500 CLASSIC
    SubmodelWT
    Beginning Year2015
    Ending Year2011
    Drivetrain4WD
    Block PositionRear axle
  • UniversalNo
    MakeGMC
    ModelSIERRA 1500 CLASSIC
    SubmodelSLE
    Beginning Year2010
    Ending Year2010
    DrivetrainRWD
    Block PositionRear axle
  • UniversalNo
    MakeGMC
    ModelSIERRA 1500 CLASSIC
    SubmodelSLE
    Beginning Year2002
    Ending Year2006
    Drivetrain4WD
    Block PositionRear axle
  • UniversalNo
    MakeGMC
    ModelSIERRA 1500 CLASSIC
    SubmodelXFE
    Beginning Year2002
    Ending Year2006
    Drivetrain4WD
    Block PositionRear axle
  • UniversalNo
    MakeGMC
    ModelSILVERADO 1500
    SubmodelZ71 OFF-ROAD
    Beginning Year2004
    Ending Year2004
    DrivetrainRWD
    Block PositionRear axle
  • UniversalNo
    MakeGMC
    ModelSILVERADO 1500
    SubmodelSLE
    Beginning Year2004
    Ending Year2004
    Drivetrain4WD
    Block PositionRear axle
  • UniversalNo
    MakeGMC
    ModelSILVERADO 1500 CLASSIC
    SubmodelSLE
    Beginning Year2002
    Ending Year2005
    DrivetrainRWD
    Block PositionRear axle
  • UniversalNo
    MakeGMC
    ModelSILVERADO 1500 CLASSIC
    SubmodelSLT
    Beginning Year1999
    Ending Year2005
    Drivetrain4WD
    Block PositionRear axle
  • UniversalNo
    MakeGMC
    ModelSILVERADO 1500 CLASSIC
    SubmodelSLT
    Beginning Year2014
    Ending Year2005
    DrivetrainRWD
    Block PositionRear axle
  • UniversalNo
    MakeGMC
    ModelSILVERADO 1500 CLASSIC
    SubmodelSLT
    Beginning Year2002
    Ending Year2005
    Drivetrain4WD
    Block PositionRear axle
  • UniversalNo
    MakeGMC
    ModelSIERRA 1500
    SubmodelSLT
    Beginning Year2002
    Ending Year2010
    DrivetrainRWD
    Block PositionRear axle
  • UniversalNo
    MakeGMC
    ModelSIERRA 1500
    SubmodelLTZ
    Beginning Year2002
    Ending Year2010
    Drivetrain4WD
    Block PositionRear axle
  • UniversalNo
    MakeGMC
    ModelSIERRA 1500
    SubmodelWT
    Beginning Year2004
    Ending Year2004
    DrivetrainRWD
    Block PositionRear axle
  • UniversalNo
    MakeGMC
    ModelSIERRA 1500
    SubmodelLTZ
    Beginning Year2004
    Ending Year2004
    Drivetrain4WD
    Block PositionRear axle
  • UniversalNo
    MakeGMC
    ModelSIERRA 1500
    SubmodelLTZ
    Beginning Year2014
    Ending Year2011
    DrivetrainRWD
    Block PositionRear axle
  • UniversalNo
    MakeGMC
    ModelSIERRA 1500 CLASSIC
    SubmodelWT
    Beginning Year2014
    Ending Year2007
    Drivetrain4WD
    Block PositionRear axle
  • UniversalNo
    MakeGMC
    ModelSIERRA 1500 CLASSIC
    SubmodelBASE
    Beginning Year2014
    Ending Year2018
    DrivetrainRWD
    Block PositionRear axle
  • UniversalNo
    MakeGMC
    ModelSILVERADO 1500 HD CLASSIC
    SubmodelDENALI
    Beginning Year2014
    Ending Year2013
    DrivetrainAWD
    Block PositionRear axle
  • UniversalNo
    MakeGMC
    ModelSIERRA 1500 CLASSIC
    SubmodelDENALI
    Beginning Year2010
    Ending Year2010
    Drivetrain4WD
    Block PositionRear axle
  • UniversalNo
    MakeGMC
    ModelSIERRA 1500 CLASSIC
    SubmodelDENALI
    Beginning Year2012
    Ending Year2010
    DrivetrainRWD
    Block PositionRear axle

Loading compatibility information...

Keep shopping

More from Readylift Suspension