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Skyjacker BUK4589

Rear Block & U-Bolt Kit 1973-87 Truck 1/2 & 3/4-Ton, 6-Lug

Skyjacker BUK4589

825-BUK4589

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Skyjacker BUK4589 Rear Block & U-Bolt Kit 1973-87 Truck 1/2 & 3/4-Ton, 6-Lug $115.98
Rear Block & U-Bolt Kit
  • 1973-87 Truck 1/2 & 3/4-Ton, 6-Lug
  • 1973-91 Blazer/Jimmy/Tahoe/Yukon
  • 1973-91 Suburban 1/2 & 3/4-Ton, 6-Lug
  • 4WD
  • 4.5'' Rear Lift

  • Specifications:

    Lift/Drop Height (in.)
    4.5
    Manufacturer's Part Number:
    BUK4589

    Perfect Way to Lift Your Ride to Clear Larger Rear Tires

    Skyjacker utilizes blocks and U-bolts in its kits to provide rear lift. Available in 1.25", 2", 3.5", 4.5", and 5", Skyjacker ductile iron blocks with fixed center pins are tapered to correct pinion angle and prevent driveline vibrations. E-coated U-bolts are corrosion-resistant and offered in various shapes/sizes (e.g. square, round, semi-round) and lengths from 1.75" to 19".

    Does Skyjacker BUK4589 fit your vehicle?

    Narrow Results

    1986 CHEVROLET BLAZER K5

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • EngineType: ALL
    • SubModel: ALL

    1979-1980 CHEVROLET BLAZER K5

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • SubModel: CUSTOM DELUXE
    • EngineType: ALL

    1980 CHEVROLET K10 PICKUP

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • Liter: 4.8
    • SubModel: SCOTTSDALE
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1979 GMC JIMMY

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1980 CHEVROLET K10 PICKUP

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • Liter: 6.6
    • Aspiration: N
    • SubModel: SILVERADO
    • Engine Vin: X
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1974-1978 CHEVROLET K20 PICKUP

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • SubModel: ALL
    • EngineType: ALL

    1976 CHEVROLET K10 SUBURBAN

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • EngineType: ALL
    • SubModel: SILVERADO

    1981-1982 CHEVROLET K10 SUBURBAN

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • EngineType: ALL
    • SubModel: CUSTOM

    1980 CHEVROLET K20 PICKUP

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • Liter: 5.0
    • SubModel: CHEYENNE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1980 CHEVROLET K20 PICKUP

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • Liter: 4.8
    • SubModel: CHEYENNE
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1982 CHEVROLET K10 SUBURBAN

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • EngineType: ALL
    • SubModel: SILVERADO

    1981 CHEVROLET K20 PICKUP

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • SubModel: DELUXE
    • EngineType: ALL

    1980 CHEVROLET K20 PICKUP

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • Liter: 6.6
    • Aspiration: N
    • SubModel: CUSTOM DELUXE
    • Engine Vin: X
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1975 CHEVROLET K10 SUBURBAN

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • EngineType: ALL
    • SubModel: ALL

    1973 CHEVROLET K20 PICKUP

    • CC: 5736
    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1978-1982 GMC JIMMY

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • SubModel: HIGH SIERRA
    • EngineType: ALL

    1980 CHEVROLET K20 PICKUP

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • Liter: 6.6
    • Aspiration: N
    • SubModel: CHEYENNE
    • Engine Vin: X
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1985 CHEVROLET K20 PICKUP

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • SubModel: SCOTTSDALE
    • EngineType: ALL

    1980 CHEVROLET K10 PICKUP

    • CC: 4097
    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • Liter: 4.1
    • SubModel: CUSTOM DELUXE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1980 CHEVROLET K10 PICKUP

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • Liter: 7.4
    • Aspiration: N
    • SubModel: SCOTTSDALE
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1981-1982 CHEVROLET K10 PICKUP

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • EngineType: ALL
    • SubModel: SILVERADO

    1973 CHEVROLET K10 SUBURBAN

    • CC: 5736
    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980 CHEVROLET K20 PICKUP

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • Liter: 5.0
    • SubModel: SILVERADO
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1983-1984 CHEVROLET K20 PICKUP

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • SubModel: ALL
    • EngineType: ALL

    1973-1974 GMC K15/K1500 SUBURBAN

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1976 GMC K15 SUBURBAN

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1976 GMC K15 SUBURBAN

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • EngineType: ALL
    • SubModel: HIGH SIERRA

    1983-1984 CHEVROLET BLAZER K5

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • SubModel: ALL
    • EngineType: ALL

    1980 CHEVROLET K20 PICKUP

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • Liter: 4.8
    • SubModel: SILVERADO
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1979 GMC JIMMY

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1976 GMC K1500 PICKUP

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1979-1980 GMC K1500 PICKUP

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • EngineType: ALL
    • SubModel: HIGH SIERRA

    1980 CHEVROLET K10 PICKUP

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • Liter: 5.7
    • SubModel: SCOTTSDALE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1976 CHEVROLET K10 SUBURBAN

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • EngineType: ALL
    • SubModel: CUSTOM DELUXE

    1973 CHEVROLET K20 PICKUP

    • CC: 4098
    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1980 CHEVROLET K10 PICKUP

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • Liter: 4.8
    • SubModel: SILVERADO
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1985 CHEVROLET K20 PICKUP

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • SubModel: CUSTOM
    • EngineType: ALL

    1991 CHEVROLET BLAZER

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • SubModel: BASE
    • EngineType: ALL

    1985-1991 GMC JIMMY

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • EngineType: ALL
    • SubModel: ALL

    1982 CHEVROLET K20 PICKUP

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • Liter: 4.8
    • SubModel: BASE
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1981-1986 GMC K1500 PICKUP

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • EngineType: ALL
    • SubModel: ALL

    1987-1989 CHEVROLET BLAZER

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • EngineType: ALL
    • SubModel: ALL

    1981 CHEVROLET K10 SUBURBAN

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • EngineType: ALL
    • SubModel: DELUXE

    1985 CHEVROLET BLAZER K5

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • EngineType: ALL
    • SubModel: SILVERADO

    1974 CHEVROLET K10 PICKUP

    • CC: 5737
    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1974 GMC K1500 PICKUP

    • CC: 4801
    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • Liter: 4.8
    • SubModel: BASE
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1979 CHEVROLET K10 PICKUP

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • EngineType: ALL
    • SubModel: CHEYENNE

    1974 GMC K25/K2500 PICKUP

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • SubModel: ALL
    • EngineType: ALL

    1975 GMC K15 SUBURBAN

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • EngineType: ALL
    • SubModel: ALL

    1979-1980 GMC K2500 PICKUP

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • SubModel: SIERRA GRANDE
    • EngineType: ALL

    1987-1988 CHEVROLET V10 SUBURBAN

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • EngineType: ALL
    • SubModel: ALL

    1979 CHEVROLET K20 PICKUP

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • SubModel: SCOTTSDALE
    • EngineType: ALL

    1980 GMC K2500 PICKUP

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1979 CHEVROLET K20 PICKUP

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • SubModel: CHEYENNE
    • EngineType: ALL

    1980 CHEVROLET K20 PICKUP

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • Liter: 4.8
    • SubModel: SCOTTSDALE
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1986 CHEVROLET K10 SUBURBAN

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • EngineType: ALL
    • SubModel: ALL

    1980 CHEVROLET K20 PICKUP

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • Liter: 5.7
    • SubModel: SILVERADO
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1976 GMC K1500 PICKUP

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • Liter: 4.8
    • SubModel: BASE
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1973 CHEVROLET K20 PICKUP

    • CC: 4801
    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • Liter: 4.8
    • SubModel: BASE
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1973 GMC K25/K2500 PICKUP

    • CC: 7441
    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1973 CHEVROLET BLAZER

    • CC: 7439
    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • Liter: 7.4
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: Z
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1978-1982 GMC JIMMY

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • SubModel: SIERRA GRANDE
    • EngineType: ALL

    1973-1974 GMC JIMMY

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1980 CHEVROLET K20 PICKUP

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • Liter: 5.0
    • SubModel: CUSTOM DELUXE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1979-1980 CHEVROLET K10 SUBURBAN

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • EngineType: ALL
    • SubModel: CUSTOM DELUXE

    1975-1978 CHEVROLET K10 PICKUP

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • EngineType: ALL
    • SubModel: ALL

    1979 GMC K1500 PICKUP

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1976 GMC K15 SUBURBAN

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • EngineType: ALL
    • SubModel: SIERRA GRANDE

    1979-1980 GMC K2500 PICKUP

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • Liter: 4.8
    • SubModel: BASE
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1973 GMC JIMMY

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1973 CHEVROLET K10 PICKUP

    • CC: 5736
    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979-1980 CHEVROLET BLAZER K5

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • SubModel: CHEYENNE
    • EngineType: ALL

    1979-1980 CHEVROLET K10 SUBURBAN

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • EngineType: ALL
    • SubModel: SCOTTSDALE

    1973 CHEVROLET BLAZER

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1980 CHEVROLET K10 PICKUP

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • Liter: 6.6
    • Aspiration: N
    • SubModel: CUSTOM DELUXE
    • Engine Vin: X
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1976 GMC K15 SUBURBAN

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • EngineType: ALL
    • SubModel: SIERRA CLASSIC

    1973 CHEVROLET BLAZER

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980 CHEVROLET K20 PICKUP

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • Liter: 6.6
    • Aspiration: N
    • SubModel: SILVERADO
    • Engine Vin: X
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1979-1980 GMC K1500 SUBURBAN

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • EngineType: ALL
    • SubModel: HIGH SIERRA

    1980 CHEVROLET K10 PICKUP

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • Liter: 7.4
    • Aspiration: N
    • SubModel: CHEYENNE
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1976 GMC K1500 PICKUP

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • EngineType: ALL
    • SubModel: HIGH SIERRA

    1980 CHEVROLET K20 PICKUP

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • Liter: 7.4
    • Aspiration: N
    • SubModel: SCOTTSDALE
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1976 GMC K1500 PICKUP

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • EngineType: ALL
    • SubModel: SIERRA CLASSIC

    1973 GMC K25/K2500 PICKUP

    • CC: 4098
    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1979-1980 CHEVROLET K10 SUBURBAN

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • EngineType: ALL
    • SubModel: SILVERADO

    1981-1982 CHEVROLET BLAZER K5

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • SubModel: CUSTOM
    • EngineType: ALL

    1975-1978 GMC K25 PICKUP

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • SubModel: ALL
    • EngineType: ALL

    1980 CHEVROLET K20 PICKUP

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • Liter: 5.7
    • SubModel: CHEYENNE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980 CHEVROLET K10 PICKUP

    • CC: 4097
    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • Liter: 4.1
    • SubModel: SILVERADO
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1973-1974 CHEVROLET K10 SUBURBAN

    • CC: 4098
    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1980 CHEVROLET K10 PICKUP

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • Liter: 7.4
    • Aspiration: N
    • SubModel: CUSTOM DELUXE
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1981-1982 CHEVROLET K20 PICKUP

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • SubModel: SILVERADO
    • EngineType: ALL

    1976 GMC K1500 PICKUP

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • EngineType: ALL
    • SubModel: SIERRA GRANDE

    1987 GMC V2500 PICKUP

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • SubModel: ALL
    • EngineType: ALL

    1981 CHEVROLET K10 PICKUP

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • EngineType: ALL
    • SubModel: DELUXE

    1976-1978 CHEVROLET K5 BLAZER

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • SubModel: ALL
    • EngineType: ALL

    1979-1980 GMC K1500 PICKUP

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1981-1986 GMC K2500 PICKUP

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • SubModel: ALL
    • EngineType: ALL

    1974 CHEVROLET BLAZER

    • CC: 5737
    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979 GMC JIMMY

    • Fitment_Note: Incl. The Following Parts~U-Bolts~Rear Block Kit
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )
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