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6" 1988-1991 GMC Suburban 3/4 ton 4WD Lift Kit (w/rear leaf springs) by Skyjacker
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The Skyjacker C160BKSD8 6-Inch Suspension Lift Kit for 1988-1991 GMC Suburban 3/4-Ton 4WD models is designed to provide increased ground clearance, improved suspension capability, and a commanding lifted stance for classic full-size Suburbans. This complete suspension system utilizes replacement front and rear leaf springs to achieve 6 inches of lift, providing a spring-based suspension upgrade at both ends of the vehicle. Multiple Skyjacker shock options allow the system to be configured for different ride and performance preferences. The C160BKSD8 includes replacement front and rear leaf springs along with new front and rear U-bolts for a complete suspension lift foundation. Using replacement leaf springs at both ends raises the vehicle through the suspension itself while providing the additional height needed for increased ground clearance and off-road use. The system is designed for an intermediate installation without cutting or welding. Available shock configurations include Skyjacker Black MAX shocks for dependable everyday performance, Hydro 7000 hydraulic shocks for smooth and controlled damping, Nitro 8000 nitrogen-charged shocks for increased control, and M95 monotube shocks for enhanced damping consistency and heat management. Application-specific components may also be required depending on vehicle equipment, including sway bar lowering brackets, extended brake lines, or driveline and exhaust modifications. Features & Benefits
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| Important Notes1. Recommended 4-inch offset drag link available: SKU GMDL4 2. Fitted leafs are available for additional weight capacity (big block or diesel engine) FLC160 3. If equipped with a front sway bar, lowering brackets are required: SKU SBL40 4. Recommended brake lines: 1979-1987 6-8 inch Lift: Front #FBL29 and Rear #RBL20, 1973-1987 6-8 inch Lift: Front #FBL28 and Rear #RBL20 5. Driveline / exhaust modifications may be necessary. 6. Transfer case lowering kit may be necessary, SKU TCL15 7. A raised steering arm CA100 is required, but sold separately or as an option. Needed to maintain proper steering angles. 8. Note: This lift kit is available to purchase without shocks; however, extended shocks are required to install properly. |
| Make | GMC |
|---|---|
| Model | Suburban 3/4 ton |
| Year Fitment | 1991, 1990, 1989, 1988 |
| 2WD/4WD | 4WD |
| Manufacturer | Skyjacker |
|---|---|
| Manufacturer Part Number | C160BKSD8 |
| Item Number | skj_c160bksd8 |
| MPN(UPC) | 803696118321 |
| Product Line | Lift Kits |
| Lift Height | 6 inch |
WARNING : Cancer and Reproductive Harm. www.p65warnings.ca.gov/

