6 Inch Lift Kit
Rear Springs · Chevy/GMC K30/K35 Truck 4WD (77-87)
$999.95the kit
In stock at Rough Country · as of Sep 19
Tell us your truck and we'll check this kit against it.
Nothing is charged online. We confirm fitment and the final price on the call.
Before you buy
Due to variances in axle sizing, this kit does NOT fit dually models.
About this kit
Transform Your Truck's Stance and Capability: Upgrade your GM truck from front to back with Rough Country's 6" Suspension Lift Kit. This premium lift delivers a leveled, aggressive look while enhancing ride height and off-road readiness all with an easy bolt-on installation.
Highlights
- Boosted Ground Clearance: Gain the extra height needed for better off-road capability and obstacle clearance.
- Application-Specific Front & Rear Leaf Springs: Engineered for a perfect fit and optimal ride quality.
- Raised Steering Block Included: Corrects steering geometry for precise handling and improved alignment.
- Clears 37-Inch Tires: Provides ample room to run up to a 37" tall tire with no rubbing.
- Premium N3 Series Shocks: Includes application-valved N3 shock absorbers for balanced on-road comfort and off-road control.
Read the full description
Engineered for Superior Ride Quality: This kit includes application-specific front lifted leaf springs, delivering increased ground clearance without sacrificing ride comfort or control. Rear lift blocks, rear leaf springs, and brake line brackets maintain proper geometry, ensuring a smooth, factory-like ride after installation.
Enhanced Performance with N3 Series Shocks: Rough Country's N3 series shocks come standard valved for your exact application and designed to provide a perfect balance of on-road smoothness and off-road capability. Featuring a 10-stage variable valving system, high-pressure nitrogen charge, and durable 54mm shock body with 18mm piston rod, these shocks are built for performance and longevity.
Room for Bigger Tires: Make room for aggressive wheel and tire combos. This 6" lift offers enough clearance to run up to a 37" tall tire with proper backspacing, giving your truck the rugged stance it deserves.
Improved Steering and Handling: To maintain proper drivability, a raised steering block is included correcting steering geometry for tight, responsive handling after the lift.
Limited Lifetime Warranty: Rough Country backs this kit with a Limited Lifetime Warranty, giving you long-term confidence on and off the road.
What's in the box
- 2 × 4in Rear Leaf Spring | Chevy/GMC C10/K10 Truck & SUV/K5 Blazer 4WD (77-91) Part #8026
- 2 × 6in Front Leaf Spring | Chevy/GMC C10/K10 Truck & SUV/K5 Blazer 4WD (73-91) Part #8015
- 1 × 249s Kit Box | Chevy C3500/K3500 Pickup (88-91) GMC C35/K35 Pickup (77-87) Part #124930
| Front | Lifted Leaf Springs Steering Block Brake Line Relocation Brackets U-Bolts Hardware |
|---|---|
| Rear | Lifted Leaf Springs 2" Lift Blocks U-Bolts Hardware |
Specifications
| Brand | Rough Country |
|---|---|
| Part number | 249.20 |
| UPC | 843030128289 |
| Lift | 6″ |
| Shipping weight | 296.3 lb |
| Country of origin | India |
| Shipping | Ground shipping only · Arrives in more than one box |
Trucks it fits
All 9 fitments
| Truck | Years | Drive | Trims |
|---|---|---|---|
| Chevrolet K30 | 1977–1981 | 4WD | Cheyenne |
| Chevrolet K30 | 1977–1980 | 4WD | Custom Deluxe |
| Chevrolet K30 | 1977–1986 | 4WD | Scottsdale, Silverado |
| Chevrolet K30 | 1981–1986 | 4WD | Custom |
| Chevrolet K30 | 1981 | 4WD | Deluxe |
| Chevrolet K3500 | 1988–1991 | 4WD | Cheyenne, Scottsdale, Silverado |
| GMC K3500 | 1979–1986 | 4WD | Base, High Sierra, Sierra Classic |
| GMC K3500 | 1979–1982 | 4WD | Sierra Grande |
| GMC K3500 | 1988–1991 | 4WD | Sierra, Sierra SLE, Sierra SLX |