
Rough Country · Authorized Dealer
Rear 56 Inch Leaf Springs| 4" Lift | Chevy/gmc C10/k10 Truck & Suv/k5 Blazer (77-91)
$399.95
Price does not include installation.
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*Estimated lease-to-own payment. Final approval and terms are determined by the lender. See all financing options →
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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 classic Chevy and GMC truck owners who want to refresh their suspension with factory-engineered replacement leaf springs, this rear leaf spring upgrade delivers the ride comfort and durability your lifted truck deserves. Rough Country's replacement leaf springs are engineered specifically for vehicles already running 4 inches of suspension lift, maintaining that height while restoring a smooth, controlled ride across pavement and off-road terrain.
Installed and serviced at Road Runner Wheels & Tires. Most suspension upgrades go in the same day. Call (678) 400-6467 to schedule.
What's included
- 4-inch Rear Leaf Spring (qty 2) — Multi-leaf construction with tapered leaves for improved flexibility and reduced friction. Bushings included for bolt-on installation.
Important notes
- These springs are designed exclusively for vehicles with 4 inches of existing suspension lift. Do not install on stock or differently lifted vehicles.
- U-bolts are not supplied with this kit. Measure your existing u-bolts by inner width, overall length, and thread pitch; Rough Country offers replacement u-bolts separately if needed.
- Recommended tire range is 33–35 inches to maintain proper suspension geometry and ride quality.
Why customers pick this at Road Runner
- 100% bolt-on design installs in 1–2 hours with stock hardware — no welding or complex modifications.
- Rough Country 5-year replacement warranty on manufacturer defects — backed locally and honored at Road Runner.
- Multi-leaf design with spring pads maximizes off-road comfort while preserving your truck's factory-like feel.
- Our technicians install Rough Country suspension upgrades every week and know these platforms inside out.
- Professional alignment performed in-house as part of every suspension service.
Ready to build it? Call (678) 400-6467. Hablamos Español.
| Qty | Part | Part # |
|---|---|---|
| 2 | 4in Rear Leaf Spring | Chevy/GMC C10/K10 Truck & SUV/K5 Blazer 4WD (77-91) | 8026 |
Features
- Easy bolt-on installation
- Bushings included.
- Sold as a pair.
| Years | Make | Model | Drive |
|---|---|---|---|
| 1987 | Chevrolet | Blazer Custom Deluxe | 4WD |
| 1987-1991 | Chevrolet | Blazer Silverado | 4WD |
| 1988-1991 | Chevrolet | Blazer Scottsdale | 4WD |
| 1977-1980 | Chevrolet | K10 Custom Deluxe | 4WD |
| 1977-1981 | Chevrolet | K10 Cheyenne | 4WD |
| 1977-1986 | Chevrolet | K10 Scottsdale | 4WD |
| 1977-1986 | Chevrolet | K10 Silverado | 4WD |
| 1981 | Chevrolet | K10 Deluxe | 4WD |
| 1981-1986 | Chevrolet | K10 Custom | 4WD |
| 1977-1980 | Chevrolet | K10 Suburban Custom Deluxe | 4WD |
| 1977-1986 | Chevrolet | K10 Suburban Scottsdale | 4WD |
| 1977-1986 | Chevrolet | K10 Suburban Silverado | 4WD |
| 1981 | Chevrolet | K10 Suburban Deluxe | 4WD |
| 1981-1986 | Chevrolet | K10 Suburban Custom | 4WD |
| 1975-1980 | Chevrolet | K20 Custom Deluxe | 4WD |
| 1975-1981 | Chevrolet | K20 Cheyenne | 4WD |
| 1975-1986 | Chevrolet | K20 Scottsdale | 4WD |
| 1975-1986 | Chevrolet | K20 Silverado | 4WD |
| 1981 | Chevrolet | K20 Deluxe | 4WD |
| 1981-1986 | Chevrolet | K20 Custom | 4WD |
| 1975-1980 | Chevrolet | K20 Suburban Custom Deluxe | 4WD |
| 1975-1986 | Chevrolet | K20 Suburban Scottsdale | 4WD |
| 1975-1986 | Chevrolet | K20 Suburban Silverado | 4WD |
| 1981 | Chevrolet | K20 Suburban Deluxe | 4WD |
| 1981-1986 | Chevrolet | K20 Suburban Custom | 4WD |
| 1977-1980 | Chevrolet | K30 Custom Deluxe | 4WD |
| 1977-1981 | Chevrolet | K30 Cheyenne | 4WD |
| 1977-1986 | Chevrolet | K30 Scottsdale | 4WD |
| 1977-1986 | Chevrolet | K30 Silverado | 4WD |
| 1981 | Chevrolet | K30 Deluxe | 4WD |
| 1981-1986 | Chevrolet | K30 Custom | 4WD |
| 1988-1991 | Chevrolet | K3500 Cheyenne | 4WD |
| 1988-1991 | Chevrolet | K3500 Scottsdale | 4WD |
| 1988-1991 | Chevrolet | K3500 Silverado | 4WD |
| 1977-1980 | Chevrolet | K5 Blazer Cheyenne | 4WD |
| 1977-1980 | Chevrolet | K5 Blazer Custom Deluxe | 4WD |
| 1978-1986 | Chevrolet | K5 Blazer Silverado | 4WD |
| 1981 | Chevrolet | K5 Blazer Deluxe | 4WD |
| 1981-1986 | Chevrolet | K5 Blazer Custom | 4WD |
| 1984 | Chevrolet | K5 Blazer Scottsdale | 4WD |
| 1987 | Chevrolet | V10 Custom Deluxe | 4WD |
| 1987 | Chevrolet | V10 Scottsdale | 4WD |
| 1987 | Chevrolet | V10 Silverado | 4WD |
| 1987 | Chevrolet | V10 Suburban Custom Deluxe | 4WD |
| 1987-1988 | Chevrolet | V10 Suburban Scottsdale | 4WD |
| 1987-1988 | Chevrolet | V10 Suburban Silverado | 4WD |
| 1989-1991 | Chevrolet | V1500 Suburban Scottsdale | 4WD |
| 1989-1991 | Chevrolet | V1500 Suburban Silverado | 4WD |
| 1987 | Chevrolet | V20 Suburban Custom Deluxe | 4WD |
| 1987-1988 | Chevrolet | V20 Suburban Scottsdale | 4WD |
| 1987-1988 | Chevrolet | V20 Suburban Silverado | 4WD |
| 1989-1991 | Chevrolet | V2500 Suburban Scottsdale | 4WD |
| 1989-1991 | Chevrolet | V2500 Suburban Silverado | 4WD |
| 1977-1982 | GMC | Jimmy Sierra Grande | 4WD |
| 1977-1985 | GMC | Jimmy High Sierra | 4WD |
| 1977-1990 | GMC | Jimmy Sierra Classic | 4WD |
| 1977-1991 | GMC | Jimmy Base | 4WD |
| 1977 | GMC | K15 Indy Hauler | 4WD |
| 1977-1978 | GMC | K15 Base | 4WD |
| 1977-1978 | GMC | K15 High Sierra | 4WD |
| 1977-1978 | GMC | K15 Sierra Classic | 4WD |
| 1977-1978 | GMC | K15 Sierra Grande | 4WD |
| 1979-1982 | GMC | K1500 Sierra Grande | 4WD |
| 1979-1986 | GMC | K1500 Base | 4WD |
| 1979-1986 | GMC | K1500 High Sierra | 4WD |
| 1979-1986 | GMC | K1500 Sierra Classic | 4WD |
| 1977-1978 | GMC | K15 Suburban Base | 4WD |
| 1977-1978 | GMC | K15 Suburban High Sierra | 4WD |
| 1977-1978 | GMC | K15 Suburban Sierra Classic | 4WD |
| 1977-1978 | GMC | K15 Suburban Sierra Grande | 4WD |
| 1975-1978 | GMC | K25 Base | 4WD |
| 1975-1978 | GMC | K25 High Sierra | 4WD |
| 1975-1978 | GMC | K25 Sierra Classic | 4WD |
| 1975-1978 | 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 |
| 1973-1974 | GMC | K25/K2500 Pickup Base | 4WD |
| 1973-1974 | GMC | K25/K2500 Suburban Base | 4WD |
| 1975-1978 | GMC | K25 Suburban Base | 4WD |
| 1975-1978 | GMC | K25 Suburban High Sierra | 4WD |
| 1975-1978 | GMC | K25 Suburban Sierra Classic | 4WD |
| 1975-1978 | GMC | K25 Suburban Sierra Grande | 4WD |
| 1977-1978 | GMC | K35 Base | 4WD |
| 1977-1978 | GMC | K35 High Sierra | 4WD |
| 1977-1978 | GMC | K35 Sierra Classic | 4WD |
| 1977-1978 | GMC | K35 Sierra Grande | 4WD |
| 1979-1982 | GMC | K3500 Sierra Grande | 4WD |
| 1979-1986 | GMC | K3500 Base | 4WD |
| 1979-1986 | GMC | K3500 High Sierra | 4WD |
| 1979-1986 | GMC | K3500 Sierra Classic | 4WD |
| 1988-1991 | GMC | K3500 Sierra | 4WD |
| 1988-1991 | GMC | K3500 Sierra SLE | 4WD |
| 1988-1991 | GMC | K3500 Sierra SLX | 4WD |
| 1987 | GMC | V1500 Base | 4WD |
| 1987 | GMC | V1500 High Sierra | 4WD |
| 1987 | GMC | V1500 Sierra Classic | 4WD |
- Tire size: 33″ to 35″ tall
- Lift height: 4″
- Install time: 1-2 hours Installed in-house at Road Runner Wheels & Tires — 1585 Roswell Rd, Marietta, GA 30062. Alignment performed in-house as part of every lift install. Call (678) 400-6467 to schedule.
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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