
Rough Country · Authorized Dealer
4 Inch Lift Kit | 52 Inch Rr Springs | Chevy/gmc 3/4-ton Suburban/c25/k25 Truck (77-87)
$899.95
Price does not include installation.
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🛠️ Install available in Marietta, GA
Installed and serviced at Road Runner Wheels & Tires — 1585 Roswell Rd, Marietta, GA 30062. Call (678) 400-6467 to schedule.
Built for Chevy and GMC 3/4-ton truck owners who want a level stance and room for bigger tires, this 4-inch lift kit raises your front end to match the rear for a factory-balanced look. You get lifted leaf springs front and rear, premium N3 shock absorbers, and brake-line brackets — everything needed to fit up to 35-inch tires while preserving the ride quality and driveline geometry that made your truck a workhorse.
Installed and serviced at Road Runner Wheels & Tires. Most lift kits go in the same day. Call (678) 400-6467 to schedule.
What's included
- Front lifted leaf springs (pair) — raise your front ride height without sacrificing ride quality, engineered to match rear height for a level stance.
- Rear lifted leaf springs (pair) — keep the rear geometry optimized when the front goes up, maintaining factory-like angles and ride feel.
- N3 shock absorbers (front and rear pair) — 10-stage variable nitrogen-charged shocks with 18mm spring-loaded piston rods and 54mm bodies tuned for balanced on-road comfort and off-road performance.
- Raised steering arm — corrects front-end geometry after the lift to preserve steering feel and driveline angles.
- Brake-line relocation brackets — keep brake lines at safe angles after lifting to prevent kinking and maintain proper function.
- Universal U-bolt kit and hardware — all fasteners and attachment points needed to secure springs and components.
Important notes
- This kit only fits vehicles equipped with 52-inch rear leaf springs — verify your rear spring length before ordering.
- If your truck has a factory front sway bar, Rough Country recommends sway-bar drop brackets (SKU: 1019) to prevent binding and maintain suspension articulation.
- Vehicles with factory quad shocks (two shocks per front side) will use a single aftermarket shock per side with this kit — no modification needed.
- Recommended tire size is 33 to 35 inches with proper wheel backspacing — oversized tires beyond this range may contact suspension or fenders.
Why customers pick this at Road Runner
- Geometry corrected at install — steering arm and brake-line brackets ensure your truck handles and stops like stock, even at 4 inches higher.
- Rough Country lifetime warranty backed by a local shop — if anything fails, Road Runner replaces it, no shipping hassles.
- Professionally installed by techs who do these every week — consistent quality and attention to detail on every truck.
- Alignment performed in-house as part of every lift install — your front end leaves our bay dialed in.
- Same-day turnaround on most installs — get your truck lifted without a week of downtime.
Ready to build it? Call (678) 400-6467. Hablamos Español.
| Qty | Part | Part # |
|---|---|---|
| 1 | Universal U-Bolt Kit | 7616 |
| 1 | Raised Steering Arm | Chevy/GMC C10/K10 C15/K15 Truck/Half-Ton Suburban/K5 Blazer (69-91) | 6600 |
| 2 | 4in Rear Leaf Spring | Chevy/GMC C10/K10 Truck & SUV/K5 Blazer 4WD (73-91) | 8200 |
| 2 | 4in Spring | Chevy/GMC C10/K10 Truck (73-87)/Half-Ton Suburban (73-91) | 8002R |
| 1 | Fr Inst Kit Sp Spr | Chevy C20/K20 Pickup (77-87) GMC C15/K15 Pickup (77-87) | 7562-2 |
| 1 | N3 Shock Pair | 23204 |
| 1 | N3 Shock Pair | 23174 |
Features
- Increased ground clearance
- Includes application valved N3 series shock absorbers which offer the best in balanced performance for on and off-road use.
| Years | Make | Model | Drive |
|---|---|---|---|
| 1977-1980 | Chevrolet | K20 Custom Deluxe | 4WD |
| 1977-1981 | Chevrolet | K20 Cheyenne | 4WD |
| 1977-1986 | Chevrolet | K20 Scottsdale | 4WD |
| 1977-1986 | Chevrolet | K20 Silverado | 4WD |
| 1981 | Chevrolet | K20 Deluxe | 4WD |
| 1981-1986 | Chevrolet | K20 Custom | 4WD |
| 1977-1980 | Chevrolet | K20 Suburban Custom Deluxe | 4WD |
| 1977-1986 | Chevrolet | K20 Suburban Scottsdale | 4WD |
| 1977-1986 | Chevrolet | K20 Suburban Silverado | 4WD |
| 1981 | Chevrolet | K20 Suburban Deluxe | 4WD |
| 1981-1986 | Chevrolet | K20 Suburban Custom | 4WD |
| 1987 | Chevrolet | V20 Suburban Custom Deluxe | 4WD |
| 1987 | Chevrolet | V20 Suburban Scottsdale | 4WD |
| 1987 | Chevrolet | V20 Suburban Silverado | 4WD |
| 1977-1978 | GMC | K25 Base | 4WD |
| 1977-1978 | GMC | K25 High Sierra | 4WD |
| 1977-1978 | GMC | K25 Sierra Classic | 4WD |
| 1977-1978 | GMC | K25 Sierra Grande | 4WD |
| 1979-1982 | GMC | K2500 Sierra Grande | 4WD |
| 1979-1986 | GMC | K2500 Base | 4WD |
| 1979-1986 | GMC | K2500 High Sierra | 4WD |
| 1979-1986 | GMC | K2500 Sierra Classic | 4WD |
| 1979-1982 | GMC | K2500 Suburban Sierra Grande | 4WD |
| 1979-1986 | GMC | K2500 Suburban Base | 4WD |
| 1979-1986 | GMC | K2500 Suburban High Sierra | 4WD |
| 1979-1986 | GMC | K2500 Suburban Sierra Classic | 4WD |
| 1977-1978 | GMC | K25 Suburban Base | 4WD |
| 1977-1978 | GMC | K25 Suburban High Sierra | 4WD |
| 1977-1978 | GMC | K25 Suburban Sierra Classic | 4WD |
| 1977-1978 | GMC | K25 Suburban Sierra Grande | 4WD |
- Tire size: 33″ to 35″ tall
- Lift height: 4″
| Tire | Wheel | Offset |
|---|---|---|
| 35x12.50R15 | 15x8 | -39mm |
| 35x12.50R15 | 15x8 | +0mm |
| 35x12.50R15 | 15x8 | +1mm |
| 35x12.50R17 | 17x9 | -12mm |
| 315/70R17 | 17x9 | -12mm |
| 35x12.50R18 | 18x9 | -12mm |
| 295/70R18 | 18x9 | -12mm |
| 285/75R18 | 18x9 | -12mm |
| 35x12.50R20 | 20x9 | -12mm |
| 35x11.50R20 | 20x9 | -12mm |
| 295/65R20 | 20x9 | -12mm |
- Install time: 6 - 8 hours
Rough Country Lifetime Replacement Warranty covers all structural components against defects in materials and workmanship for the original purchaser's lifetime ownership of the vehicle.
3-Year Finish Warranty on all painted and powder-coated surfaces.
3-Year Shock Warranty on N3, M1, and Vertex shocks against leakage and structural failure.
Warranty service is handled by Rough Country directly — call (678) 400-6467 if you need help opening a warranty claim and we'll walk you through it.
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