Suspension Lift Kit | Rough Country | 4 Inch | GM Pickup, Suburban

SKU RC150.20

Rough Country 4 inch Suspension Lift Kit 150.20 for the 4WD GM Pickup and Suburban increases ground clearance to allow you to run up to 35 inch tires. The kit includes lifted front leaf springs and 4 inch rear lift blocks, plus front and rear Rough Country Premium N3 series shocks.

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Product Specifications

Lift Type:Leaf Springs/Blocks
Max Tire Size:35"
Instructions: Rough Country 150.20 Installation Instructions.
Front Shock:(2) Premium N3 Series

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Product Specs for Rough Country 150.20

Lift Type:Leaf Springs/Blocks
Max Tire Size:35"
Instructions: Rough Country 150.20 Installation Instructions.
Front Shock:(2) Premium N3 Series
Rear Shock:(2) Premium N3 Series
UPC: 843030130015
MPN: 150.20

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Rough Country 150.20 Details

Features

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

Components

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

Rear
4" lift blocks
U-bolts
Hardware

Shocks
(4) Premium N3 series

Tires/Wheels

Tire	Wheel	Backspacing	Offset
35x12.50 R15	15x8	4.5in	-

Due to differences in manufacturing, dimension and inflated measurements, tire and wheel combinations should be test fit prior to installation.

Installation/Fitment Notes

If vehicle is equipped with a front sway-bar, drop brackets are recommended (SKU: 1019).
If vehicle is equipped with factory front quad shocks (4 total front shocks), please add Factory Quad Shock kit below (SKU: Q20027).

Vehicle Application Guide for Rough Country 150.20

The RC150.20 Suspension Lift Kit | Rough Country | 4 Inch | GM Pickup, Suburban is engineered to work with specific vehicles displayed below. Can't find your vehicle, or need assistance, please give us a call at 1-800-358-4751 or 1-989-755-0561. Browse the category 4 Inch Lift Kits Lift Kits , Rough Country 4 Inch Lift Kits , Rough Country Lift Kits , to view all vehicle makes and models.

Chevrolet
GMC

Year	Make	Model	Vehicle Option	Installation Notes
1977	Chevrolet	K20	Fits 4 Wheel Drive	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	Fits 4 Wheel Drive	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	Fits 4 Wheel Drive	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	Fits 4 Wheel Drive	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.
1981	Chevrolet	K20	Fits 4 Wheel Drive	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.
1982	Chevrolet	K20	Fits 4 Wheel Drive	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.
1983	Chevrolet	K20	Fits 4 Wheel Drive	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.
1984	Chevrolet	K20	Fits 4 Wheel Drive	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.
1985	Chevrolet	K20	Fits 4 Wheel Drive	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.
1986	Chevrolet	K20	Fits 4 Wheel Drive	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.
1981	Chevrolet	K20 Suburban	Fits 4 Wheel Drive	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.
1982	Chevrolet	K20 Suburban	Fits 4 Wheel Drive	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.
1983	Chevrolet	K20 Suburban	Fits 4 Wheel Drive	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.
1984	Chevrolet	K20 Suburban	Fits 4 Wheel Drive	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.
1985	Chevrolet	K20 Suburban	Fits 4 Wheel Drive	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.
1986	Chevrolet	K20 Suburban	Fits 4 Wheel Drive	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	Fits 4 Wheel Drive	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	Fits 4 Wheel Drive	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	Fits 4 Wheel Drive	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	Fits 4 Wheel Drive	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.
1987	Chevrolet	V20	Fits 4 Wheel Drive	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.
1987	Chevrolet	V20 Suburban	Fits 4 Wheel Drive	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.
1988	Chevrolet	V20 Suburban	Fits 4 Wheel Drive	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.
1989	Chevrolet	V2500 Suburban	Fits 4 Wheel Drive	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.
1990	Chevrolet	V2500 Suburban	Fits 4 Wheel Drive	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.
1991	Chevrolet	V2500 Suburban	Fits 4 Wheel Drive	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	Fits 4 Wheel Drive	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	Fits 4 Wheel Drive	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	Fits 4 Wheel Drive	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	Fits 4 Wheel Drive	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.
1981	GMC	K2500	Fits 4 Wheel Drive	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.
1982	GMC	K2500	Fits 4 Wheel Drive	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.
1983	GMC	K2500	Fits 4 Wheel Drive	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.
1984	GMC	K2500	Fits 4 Wheel Drive	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.
1985	GMC	K2500	Fits 4 Wheel Drive	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.
1986	GMC	K2500	Fits 4 Wheel Drive	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	Fits 4 Wheel Drive	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	Fits 4 Wheel Drive	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	Fits 4 Wheel Drive	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	Fits 4 Wheel Drive	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.
1981	GMC	K2500 Suburban	Fits 4 Wheel Drive	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.
1982	GMC	K2500 Suburban	Fits 4 Wheel Drive	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.
1983	GMC	K2500 Suburban	Fits 4 Wheel Drive	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.
1984	GMC	K2500 Suburban	Fits 4 Wheel Drive	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.
1985	GMC	K2500 Suburban	Fits 4 Wheel Drive	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.
1986	GMC	K2500 Suburban	Fits 4 Wheel Drive	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.
1987	GMC	V2500	Fits 4 Wheel Drive	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.
1987	GMC	V2500 Suburban	Fits 4 Wheel Drive	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.
1988	GMC	V2500 Suburban	Fits 4 Wheel Drive	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.
1989	GMC	V2500 Suburban	Fits 4 Wheel Drive	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.
1990	GMC	V2500 Suburban	Fits 4 Wheel Drive	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.
1991	GMC	V2500 Suburban	Fits 4 Wheel Drive	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.

Customer Q&A - Rough Country 150.20

Ask A Question

Will the 150.20 lift kit fit a 3/4 ton 1978 chev truck full time 4wd?

Asked October 7, 2018

Brian

Yes, This Rough Country 150.20 lift will work on your 1978 3/4 Ton Chevy Truck. The full-time 4WD will not impact the fitment of this kit.

Are the lift blocks angled to correct drive shaft angle when lifted?

Asked July 15, 2018

Phil

Yes. The rear lift blocks in this kit have a 4-degree angle to correct the pinion angle.

Rough Country

Rough Country Warranty

Limited Lifetime Warranty

On hard suspension components including knuckles, Lift Blocks, Control Arms, Jeep JK Armor, Bed Covers, Bed Mats, Nerf Steps, and Wheel Well Liners.

5 Year Limited Warranty

On leaf springs and coil springs.

3 Year Limited Warranty

On shocks and stabilizers.

3 Year Limited Warranty

On LED Lights, Fender flares, and Soft Tops.

2 Year Limited Warranty

On Winch mechanical components.

1 Year Limited Warranty

On Winch electrical components.

1 Year Limited Warranty

On All wear and tear items. Bushings, Ball Joints, Etc.

Rough Country products are warranted to be free from defects in material and craftsmanship for the time periods listed. Some suspension components are prone to gradual wear and tear over time and therefore are not covered within the Lifetime Replacement Warranty.

Warranty Guard

This free protection supplements your manufacturer's warranty, guaranteeing that if you are denied repair due to having a Warranty Guard protected product on your vehicle, then Rough Country will foot the bill for your repair! For up to 5 years / 100K miles / or until your manufacturer's warranty ends, if there is a failure of a factory warranty-covered part due to installation of a Rough Country suspension product, Rough Country will cover the repairs at a factory authorized shop - all you pay is a $100 deductible!

What the warranty does not cover

Wear and tear items such as mountings, bushings, diminished shock and stabilizer dampening resistance, finish, dents and scratches, as these components and issues can wear out or occur naturally over time. These items are covered under a separate Limited Warranty along with other non-suspension items listed above. Replacements for non-defective items broken during off-road use may incur shipping charges.

You can view the full details of Rough Country’s warranty here.