6 Inch Lift Kit | 52 Inch RR Springs | Chevy/GMC 3/4-Ton Suburban/C25/K25 Truck (77-87)

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.

Features

Increased ground clearance Includes application valved N3 series shock absorbers which offer the best in balanced performance for on and off-road use.

Fitment and installation notes

ONLY fits models with 52" 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.

Front components

Lifted leaf springs Steering Arm Brake line relocation brackets U-bolts Hardware

Rear components

Lifted leaf springs U-bolts Hardware

Tire and wheel information

37x13.50R15:15x8:8x6.5/8x165.1:-39:Trimming Required;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:-

Estimated installation time

6 - 8 hours

Vehicle fitment

Match the exact year, model, trim, drivetrain, and any cab or bed requirements in the notes.

Installation instructions

View manufacturer instructions

Part number: 21030