4 Inch Lift Kit - 56 Inch RR Springs - Chevy/GMC 3/4-Ton Suburban/C25/K25 Truck (77-87) - Rough Country - 25530

Give your truck an impressive upgrade front to back with Rough Country's 4" 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 4" GM Suspension Lift System comes with everything you need to fit up to a 35" tire with proper wheel backspacing. Best of all Rough Country's 4" GM Suspension Lift System is backed by our Lifetime Replacement Warranty.
Increased ground clearance
Includes application valved N3 series shock absorbers which offer the best in balanced performance for on and off-road use.

Detailed Fitment Results
Year Make Model Sub Model Body Type Drive Type Position Fitment Notes 1977 Chevrolet K20 Scottsdale / Silverado / Custom Deluxe / Cheyenne 4WD "ONLY fits models with 56" rear leaf springs. If vehicle is equipped with a front sway-bar drop brackets are recommended. (SKU: 1019) Vehicles with factory quad shocks (2 front shocks per side) will simply use a single aftermarket shock." 1977 Chevrolet K20 Suburban Custom Deluxe / Scottsdale / Silverado 4WD "ONLY fits models with 56" rear leaf springs. If vehicle is equipped with a front sway-bar drop brackets are recommended. (SKU: 1019) Vehicles with factory quad shocks (2 front shocks per side) will simply use a single aftermarket shock." 1977 GMC K25 Base / High Sierra / Sierra Classic / Sierra Grande 4WD "ONLY fits models with 56" rear leaf springs. If vehicle is equipped with a front sway-bar drop brackets are recommended. (SKU: 1019) Vehicles with factory quad shocks (2 front shocks per side) will simply use a single aftermarket shock." 1977 GMC K25 Suburban Base / High Sierra / Sierra Classic / Sierra Grande 4WD "ONLY fits models with 56" rear leaf springs. If vehicle is equipped with a front sway-bar drop brackets are recommended. (SKU: 1019) Vehicles with factory quad shocks (2 front shocks per side) will simply use a single aftermarket shock." 1978 Chevrolet K20 Scottsdale / Silverado / Custom Deluxe / Cheyenne 4WD "ONLY fits models with 56" rear leaf springs. If vehicle is equipped with a front sway-bar drop brackets are recommended. (SKU: 1019) Vehicles with factory quad shocks (2 front shocks per side) will simply use a single aftermarket shock." 1978 Chevrolet K20 Suburban Custom Deluxe / Scottsdale 4WD "ONLY fits models with 56" rear leaf springs. If vehicle is equipped with a front sway-bar drop brackets are recommended. (SKU: 1019) Vehicles with factory quad shocks (2 front shocks per side) will simply use a single aftermarket shock." 1978 GMC K25 Base / High Sierra / Sierra Classic / Sierra Grande 4WD "ONLY fits models with 56" rear leaf springs. If vehicle is equipped with a front sway-bar drop brackets are recommended. (SKU: 1019) Vehicles with factory quad shocks (2 front shocks per side) will simply use a single aftermarket shock." 1978 GMC K25 Suburban Sierra Grande / Base / High Sierra / Sierra Classic 4WD "ONLY fits models with 56" rear leaf springs. If vehicle is equipped with a front sway-bar drop brackets are recommended. (SKU: 1019) Vehicles with factory quad shocks (2 front shocks per side) will simply use a single aftermarket shock." 1979 GMC K2500 Suburban Sierra Grande / Base / High Sierra / Sierra Classic 4WD "ONLY fits models with 56" rear leaf springs. If vehicle is equipped with a front sway-bar drop brackets are recommended. (SKU: 1019) Vehicles with factory quad shocks (2 front shocks per side) will simply use a single aftermarket shock." 1979 Chevrolet K20 Scottsdale / Silverado / Custom Deluxe / Cheyenne 4WD "ONLY fits models with 56" rear leaf springs. If vehicle is equipped with a front sway-bar drop brackets are recommended. (SKU: 1019) Vehicles with factory quad shocks (2 front shocks per side) will simply use a single aftermarket shock." 1979 Chevrolet K20 Suburban Custom Deluxe / Scottsdale / Silverado 4WD "ONLY fits models with 56" rear leaf springs. If vehicle is equipped with a front sway-bar drop brackets are recommended. (SKU: 1019) Vehicles with factory quad shocks (2 front shocks per side) will simply use a single aftermarket shock." 1979 GMC K2500 Sierra Grande / Base / High Sierra / Sierra Classic 4WD "ONLY fits models with 56" rear leaf springs. If vehicle is equipped with a front sway-bar drop brackets are recommended. (SKU: 1019) Vehicles with factory quad shocks (2 front shocks per side) will simply use a single aftermarket shock." 1980 GMC K2500 Suburban Sierra Grande / Base / High Sierra / Sierra Classic 4WD "ONLY fits models with 56" rear leaf springs. If vehicle is equipped with a front sway-bar drop brackets are recommended. (SKU: 1019) Vehicles with factory quad shocks (2 front shocks per side) will simply use a single aftermarket shock." 1980 Chevrolet K20 Scottsdale / Silverado / Custom Deluxe / Cheyenne 4WD "ONLY fits models with 56" rear leaf springs. If vehicle is equipped with a front sway-bar drop brackets are recommended. (SKU: 1019) Vehicles with factory quad shocks (2 front shocks per side) will simply use a single aftermarket shock." 1980 Chevrolet K20 Suburban Custom Deluxe / Scottsdale / Silverado 4WD "ONLY fits models with 56" rear leaf springs. If vehicle is equipped with a front sway-bar drop brackets are recommended. (SKU: 1019) Vehicles with factory quad shocks …