
Product Susp Lift Kits 4wd
6 Inch Lift Kit | 56 Inch RR Springs | Chevy/GMC 3/4-Ton Suburban (77-91)/C25/K25 Truck (77-87)
Rough Country · Available — allow 2–3 days
Increased ground clearance Includes application valved N3 series shock absorbers which offer the best in balanced performance for on and off-road use.
- Certified Rough Country Dealer
- Installed in-house
- Fits 32 vehicles
Detail About this part
What it is
Give your truck an impressive upgrade, front to back with Rough Country’s 6" GM Suspension Lift System! This easy-to-install lift kit raises the front of your vehicle to be equal height with the rear for a leveled, better-than-stock look that gives an improved ride height and more aggressive appearance.
This kit features a set of front lifted leaf springs allowing you gain additional ride height without sacrificing ride quality or performance. A set of rear leaf springs and brake line brackets are provided to keep everything at optimum angles for a factory-like ride, even after lifting.
A set of Rough Country's premium N3 shocks are also included. These fine tuned 10-stage variable high-pressure Nitrogen charged shocks offer a fantastic blend of off-road action and smooth highway ride quality. With a durable 18mm spring-loaded piston rod and faster-cooling 54mm shock body.
Get the wheels you want! Rough Country's 6" GM Suspension Lift System comes with everything you need to fit up to a 37" tire with proper wheel backspacing.
Best of all, Rough Country's 6” GM Suspension Lift System is backed by our Lifetime Replacement Warranty.
Fitment 32 vehicles
Fits these vehicles
Not sure it fits yours? Send your year, make and model with your quote and we'll confirm.
- Chevrolet K20 Cheyenne · 1977–1981 · 4WD
- Chevrolet K20 Custom · 1981–1986 · 4WD
- Chevrolet K20 Custom Deluxe · 1977–1980 · 4WD
- Chevrolet K20 Deluxe · 1981–1981 · 4WD
- Chevrolet K20 Scottsdale · 1977–1986 · 4WD
- Chevrolet K20 Silverado · 1977–1986 · 4WD
- Chevrolet K20 Suburban Custom · 1981–1986 · 4WD
- Chevrolet K20 Suburban Custom Deluxe · 1977–1980 · 4WD
- Chevrolet K20 Suburban Deluxe · 1981–1981 · 4WD
- Chevrolet K20 Suburban Scottsdale · 1977–1986 · 4WD
- Chevrolet K20 Suburban Silverado · 1977–1986 · 4WD
- Chevrolet V20 Suburban Custom Deluxe · 1987–1987 · 4WD
- Chevrolet V20 Suburban Scottsdale · 1987–1988 · 4WD
- Chevrolet V20 Suburban Silverado · 1987–1988 · 4WD
- Chevrolet V2500 Suburban Scottsdale · 1989–1991 · 4WD
- Chevrolet V2500 Suburban Silverado · 1989–1991 · 4WD
- GMC K25 Base · 1977–1978 · 4WD
- GMC K25 High Sierra · 1977–1978 · 4WD
- GMC K25 Sierra Classic · 1977–1978 · 4WD
- GMC K25 Sierra Grande · 1977–1978 · 4WD
- GMC K25 Suburban Base · 1977–1978 · 4WD
- GMC K25 Suburban High Sierra · 1977–1978 · 4WD
- GMC K25 Suburban Sierra Classic · 1977–1978 · 4WD
- GMC K25 Suburban Sierra Grande · 1977–1978 · 4WD
- GMC K2500 Base · 1979–1986 · 4WD
- GMC K2500 High Sierra · 1979–1986 · 4WD
- GMC K2500 Sierra Classic · 1979–1986 · 4WD
- GMC K2500 Sierra Grande · 1979–1982 · 4WD
- GMC K2500 Suburban Base · 1979–1986 · 4WD
- GMC K2500 Suburban High Sierra · 1979–1986 · 4WD
- GMC K2500 Suburban Sierra Classic · 1979–1986 · 4WD
- GMC K2500 Suburban Sierra Grande · 1979–1982 · 4WD
Specs At the counter
Details
- SKU
- 21530
- UPC
- 843030145798
- Brand
- Rough Country
- Category
- Susp Lift Kits 4wd
- Weight
- 297.00lbs
- Tire
- 37x13.50R15:15x8:8x6.5/8x165.1:-19:-;37x13.50R15:15x8:8x6.5/8x165.1:-18:-;37x13.50R15:15x8:8x6.5/8x165.1:+0:-;37x13.50R15:15x8:8x6.5/8x165.1:+1:-;37x12.50R17:17x9:8x6.5/8x165.1:-12:-;37x12.50R18:18x9:8x6.5/8x165.1:-12:-;37x12.50R20:20x9:8x6.5/8x165.1:-12:-
- Availability
- Available — allow 2–3 days
Get it installed SKU 21530
Put this on your rig
Send your year, make and model — we confirm fitment and quote the install straight. No cart, no games.
Let's Get It On Your Rig.
Genuine Rough Country parts, installed right, by a certified dealer in Elkton.

