Skyjacker utilizes Blocks and U-Bolts in its Kits to provide rear lift. The Skyjacker 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 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.

Fitment
| Year | Make | Model | Driveline | Engine |
|---|---|---|---|---|
| 1973-1974 , 1987-1991 | Chevrolet | Blazer | 4 Wheel Drive | GAS |
| 1973-1974 | Chevrolet | Blazer | Rear Wheel Drive | GAS |
| 1973-1986 | Chevrolet | K10 Pickup | 4 Wheel Drive | GAS |
| 1973-1974 | Chevrolet | K10 Pickup | 4 Wheel Drive | LPG |
| 1973-1986 | Chevrolet | K10 Suburban | 4 Wheel Drive | GAS |
| 1973-1974 | Chevrolet | K10 Suburban | 4 Wheel Drive | LPG |
| 1973-1986 | Chevrolet | K20 Pickup | 4 Wheel Drive | GAS |
| 1973-1974 | Chevrolet | K20 Pickup | 4 Wheel Drive | LPG |
| 1973-1991 | GMC | Jimmy | 4 Wheel Drive | GAS |
| 1973-1984 | GMC | Jimmy | Rear Wheel Drive | GAS |
| 1973-1974 | GMC | K15/K1500 Suburban | 4 Wheel Drive | GAS |
| 1973-1974 | GMC | K15/K1500 Suburban | 4 Wheel Drive | LPG |
| 1973-1986 | GMC | K1500 Pickup | 4 Wheel Drive | GAS |
| 1973-1974 | GMC | K1500 Pickup | 4 Wheel Drive | LPG |
| 1973-1974 | GMC | K25/K2500 Pickup | 4 Wheel Drive | GAS |
| 1973-1974 | GMC | K25/K2500 Pickup | 4 Wheel Drive | LPG |
| 1975-1978 | Chevrolet | K5 Blazer | 4 Wheel Drive | GAS |
| 1975-1978 | Chevrolet | K5 Blazer | Rear Wheel Drive | GAS |
| 1975-1978 | GMC | K15 Suburban | 4 Wheel Drive | GAS |
| 1975-1978 | GMC | K25 Pickup | 4 Wheel Drive | GAS |
| 1979-1986 | Chevrolet | Blazer K5 | 4 Wheel Drive | GAS |
| 1979-1984 | Chevrolet | Blazer K5 | Rear Wheel Drive | GAS |
| 1979-1986 | GMC | K1500 Suburban | 4 Wheel Drive | GAS |
| 1979-1986 | GMC | K2500 Pickup | 4 Wheel Drive | GAS |
| 1982-1986 | Chevrolet | Blazer K5 | 4 Wheel Drive | DIESEL |
| 1982-1984 | Chevrolet | Blazer K5 | Rear Wheel Drive | DIESEL |
| 1982-1986 | Chevrolet | K10 Pickup | 4 Wheel Drive | DIESEL |
| 1982-1986 | Chevrolet | K10 Suburban | 4 Wheel Drive | DIESEL |
| 1982-1986 | Chevrolet | K20 Pickup | 4 Wheel Drive | DIESEL |
| 1982-1991 | GMC | Jimmy | 4 Wheel Drive | DIESEL |
| 1982-1984 | GMC | Jimmy | Rear Wheel Drive | DIESEL |
| 1982-1986 | GMC | K1500 Pickup | 4 Wheel Drive | DIESEL |
| 1982-1986 | GMC | K1500 Suburban | 4 Wheel Drive | DIESEL |
| 1982-1986 | GMC | K2500 Pickup | 4 Wheel Drive | DIESEL |
| 1987-1991 | Chevrolet | Blazer | 4 Wheel Drive | DIESEL |
| 1987-1988 | Chevrolet | V10 Suburban | 4 Wheel Drive | DIESEL |
| 1987-1988 | Chevrolet | V10 Suburban | 4 Wheel Drive | GAS |
| 1987 | Chevrolet | V20 Pickup | 4 Wheel Drive | DIESEL |
| 1987 | Chevrolet | V20 Pickup | 4 Wheel Drive | GAS |
| 1987-1988 | GMC | V1500 Suburban | 4 Wheel Drive | DIESEL |
| 1987-1988 | GMC | V1500 Suburban | 4 Wheel Drive | GAS |
| 1987 | GMC | V2500 Pickup | 4 Wheel Drive | DIESEL |
| 1987 | GMC | V2500 Pickup | 4 Wheel Drive | GAS |
Skyjacker BUK4589 Block And U-Bolt Kit
1973-1973 Chevrolet Blazer L6 GAS
1973-1973 Chevrolet Blazer L6 GAS
- SKU : BHNGBUK4589
- Part Number : BUK4589
10% off
Cyber Week Sale! (No coupon code discount allowed)
Regular Price
$164.85
Special Price $148.37
Special Price $148.37
Regular Price
$164.85
Special Price $148.37
Special Price $148.37
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Product Details
In-stock 50 In-stock / 53 Sold Typically Ships 3-5 days


