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Skyjacker 1987-1988 GMC V1500 Suburban Suspension Block and U-Bolt Kit

SKU: SKYBUK4589

Suspension Blocks

SKY Suspension Block...

Skyjacker 1987-1988 GMC V1500 Suburban Suspension Block and U-Bolt Kit

SKU: SKYBUK4589

Suspension Blocks

SKY Suspension Block...

A$472.13
Available from MFR. This item is available from the manufacturer's distribution centre. The dispatch timeframe shown is an estimate based on historical order processing and release times for this part. This item is not held in our own warehouse, and actual dispatch timing may vary depending on manufacturer workload and logistics at the time of ordering.
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Description

Skyjacker(R) utilizes Blocks and U-Bolts in its Kits to provide rear lift. The Skyjacker(R) U-Bolts are e-coated for corrosion resistance. These U-Bolts are offered in various shapes and sizes such as square, round, and semi-round in lengths ranging from 1.75 - 19 inches. The Blocks used in Skyjacker(R) Kits are Ductile iron with fixed center pins. They are also tapered to correct pinion angle and prevent driveline vibrations. Available in 1.25, 2, 3.5, 4.5, and 5 inches.

Product Overview

Skyjacker(R) utilizes Blocks and U-Bolts in its Kits to provide rear lift. The Skyjacker(R) U-Bolts are e-coated for corrosion resistance. These U-Bolts are offered in various shapes and sizes such as square, round, and semi-round in lengths ranging from 1.75 - 19 inches. The Blocks used in Skyjacker(R) Kits are Ductile iron with fixed center pins. They are also tapered to correct pinion angle and prevent driveline vibrations. Available in 1.25, 2, 3.5, 4.5, and 5 inches.


Features and Benefits

  • E-Coated For Corrosion Resistance
  • Ductile Iron With Fixed Center Pins
  • Limited Lifetime Warranty

Product Details

Description:4.5IN. B/UB KIT; 73-87 GM 1/2T
Lift/Drop Height:4.5 in.
Part Number:skyBUK4589
WARNING CA Proposition 65 Message:California Residents- WARNING: Cancer and-or other Reproductive Harm. (For more information go to www.p65warnings.ca.gov)
WARNING CA Proposition 65:Yes

Part Type

Suspension Blocks

Data: v4.2 - Upd: 2026-10-13 21:50:38

Features

  • Ductile Iron With Fixed Center Pins
  • E-Coated For Corrosion Resistance
  • Limited Lifetime Warranty

Specifications

Product Attributes - Brand
Skyjacker Suspensions
Product Attributes - Manufacturer's Part Number
BUK4589
Product Attributes - Part Type
Suspension Blocks
Product Attributes - Product Line
Skyjacker Lift Block Kits
Product Attributes - UPC
803696117102
Product Attributes - Block Thickness (in.)
4.50
Product Attributes - Block Material
Cast iron
Product Attributes - U-Bolts Included
Yes
Product Attributes - Quantity
Sold as a kit.

Reference Information

Brand Name/s Skyjacker
StreetFX SKU skyBUK4589
SFX Item ID 4328127
Supplier Item Code 4328127
Manufacturer SKU BUK4589
Manufacturer UPC 803696117102
Alternative References SJA-BUK4589, V1500

Brochures

Compatibility

Application Data
  • UniversalNo
    MakeCHEVROLET
    ModelBLAZER
    Beginning Year1973
    Ending Year1974
    Drivetrain4WD
    Block PositionRear axle
    Application Notes6-lug wheel.
  • UniversalNo
    MakeCHEVROLET
    ModelBLAZER
    Beginning Year1987
    Ending Year1991
    Drivetrain4WD
    Block PositionRear axle
    Application Notes6-lug wheel.
  • UniversalNo
    MakeCHEVROLET
    ModelK10
    Beginning Year1975
    Ending Year1986
    Drivetrain4WD
    Block PositionRear axle
    Application Notes6-lug wheel.
  • UniversalNo
    MakeCHEVROLET
    ModelK10 PICKUP
    Beginning Year1973
    Ending Year1974
    Drivetrain4WD
    Block PositionRear axle
    Application Notes6-lug wheel.
  • UniversalNo
    MakeCHEVROLET
    ModelK10 SUBURBAN
    Beginning Year1973
    Ending Year1986
    Drivetrain4WD
    Block PositionRear axle
    Application Notes6-lug wheel.
  • UniversalNo
    MakeCHEVROLET
    ModelK20
    Beginning Year1975
    Ending Year1986
    Drivetrain4WD
    Block PositionRear axle
    Application Notes6-lug wheel.
  • UniversalNo
    MakeCHEVROLET
    ModelK20 PICKUP
    Beginning Year1973
    Ending Year1974
    Drivetrain4WD
    Block PositionRear axle
    Application Notes6-lug wheel.
  • UniversalNo
    MakeCHEVROLET
    ModelK5 BLAZER
    Beginning Year1975
    Ending Year1986
    Drivetrain4WD
    Block PositionRear axle
    Application Notes6-lug wheel.
  • UniversalNo
    MakeCHEVROLET
    ModelV10 SUBURBAN
    Beginning Year1987
    Ending Year1988
    Drivetrain4WD
    Block PositionRear axle
    Application Notes6-lug wheel.
  • UniversalNo
    MakeCHEVROLET
    ModelV20
    Beginning Year1987
    Ending Year1987
    Drivetrain4WD
    Block PositionRear axle
    Application Notes6-lug wheel.
  • UniversalNo
    MakeGMC
    ModelJIMMY
    Beginning Year1973
    Ending Year1991
    Drivetrain4WD
    Block PositionRear axle
    Application Notes6-lug wheel.
  • UniversalNo
    MakeGMC
    ModelK15/K1500 PICKUP
    Beginning Year1973
    Ending Year1974
    Drivetrain4WD
    Block PositionRear axle
    Application Notes6-lug wheel.
  • UniversalNo
    MakeGMC
    ModelK15/K1500 SUBURBAN
    Beginning Year1973
    Ending Year1974
    Drivetrain4WD
    Block PositionRear axle
    Application Notes6-lug wheel.
  • UniversalNo
    MakeGMC
    ModelK1500
    Beginning Year1979
    Ending Year1986
    Drivetrain4WD
    Block PositionRear axle
    Application Notes6-lug wheel.
  • UniversalNo
    MakeGMC
    ModelK1500 SUBURBAN
    Beginning Year1979
    Ending Year1986
    Drivetrain4WD
    Block PositionRear axle
    Application Notes6-lug wheel.
  • UniversalNo
    MakeGMC
    ModelK15
    Beginning Year1975
    Ending Year1978
    Drivetrain4WD
    Block PositionRear axle
    Application Notes6-lug wheel.
  • UniversalNo
    MakeGMC
    ModelK15 SUBURBAN
    Beginning Year1975
    Ending Year1978
    Drivetrain4WD
    Block PositionRear axle
    Application Notes6-lug wheel.
  • UniversalNo
    MakeGMC
    ModelK25/K2500 PICKUP
    Beginning Year1973
    Ending Year1974
    Drivetrain4WD
    Block PositionRear axle
    Application Notes6-lug wheel.
  • UniversalNo
    MakeGMC
    ModelK2500
    Beginning Year1979
    Ending Year1986
    Drivetrain4WD
    Block PositionRear axle
    Application Notes6-lug wheel.
  • UniversalNo
    MakeGMC
    ModelK25
    Beginning Year1975
    Ending Year1978
    Drivetrain4WD
    Block PositionRear axle
    Application Notes6-lug wheel.
  • UniversalNo
    MakeGMC
    ModelV1500 SUBURBAN
    Beginning Year1987
    Ending Year1988
    Drivetrain4WD
    Block PositionRear axle
    Application Notes6-lug wheel.
  • UniversalNo
    MakeGMC
    ModelV2500
    Beginning Year1987
    Ending Year1987
    Drivetrain4WD
    Block PositionRear axle
    Application Notes6-lug wheel.
  • MakeCHEVROLET
    ModelBLAZER
    SubmodelBASE
    Beginning Year1973
    Ending Year1973
    Drivetrain4WD
  • MakeCHEVROLET
    ModelBLAZER
    SubmodelBASE
    Beginning Year1973
    Ending Year1973
    Drivetrain4WD
  • MakeCHEVROLET
    ModelBLAZER
    SubmodelBASE
    Beginning Year1973
    Ending Year1973
    Drivetrain4WD

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