Rough Country P/N 18030

Suspension Lift Kits

Description

Transform Your Truck's Stance and Capability: Upgrade your GM truck from front to back with Rough Country's 4" Suspension Lift Kit. This premium lift delivers a leveled, aggressive look while enhancing ride height and off-road readiness all with an easy bolt-on installation. Engineered for Superior Ride Quality: This kit features application-specific front and rear lifted leaf springs, delivering increased ground clearance without compromising ride comfort or control. By eliminating rear lift blocks, the kit ensures consistent lift and improved suspension geometry, resulting in a smooth, factory-like ride. Brake line brackets are also included to maintain proper alignment and safety throughout the suspension travel. Enhanced Performance with N3 Series Shocks: Rough Country's N3 series shocks come standard valved for your exact application and designed to provide a perfect balance of on-road smoothness and off-road capability. Featuring a 10-stage variable valving system, high-pressure nitrogen charge, and durable 54mm shock body with 18mm piston rod, these shocks are built for performance and longevity. Room for Bigger Tires: Make room for aggressive wheel and tire combos. This 4" lift offers enough clearance to run up to a 35" tall tire with proper backspacing, giving your truck the rugged stance it deserves. Limited Lifetime Warranty: Rough Country backs this kit with a Limited Lifetime Warranty, giving you long-term confidence on and off the road.

4 Inch Lift Kit - RR Spring - Chevy/GMC C10/K10 C15/K15 Truck/Half-Ton Suburban (69-72)

Specifications

BrandRough Country
Part Number18030
Installation TimeAbout 6 hours
Rear ComponentsLifted Leaf Springs/U-Bolts/Hardware
UTV ProductN
Front ComponentsLifted Leaf Springs/Brake Line Relocation Brackets/U-Bolts/Hardware
Tire Information35x12.50R15:15x8:6x5.5:-19:-, 35x12.50R15:15x8:6x5.5:-18:-, 35x12.50R16:16x8:6x5.5:-12:-, 35x12.50R16:16x8:6x5.5:-6:-, 305/70R17:17x8.5:6x5.5:-12:-, 285/75R17:17x8.5:6x5.5:-12:-, 35x12.50R17:17x8.5:6x5.5:+0:-, 315/70R17:17x8.5:6x5.5:+0:-, 305/70R17:17x8.5:6x5.5:+
Weight227 lbs

Vehicle Fitment

Year(s)MakeModelSubmodelNotes
1969-1972ChevroletBlazerBase"ONLY fits models with 52" rear leaf springs. If vehicle is equipped with a front sway-bar, drop brackets are recommended SKU: 1019. Rear Spring Measurement: To confirm rear spring size a measurement will have to be pulled from eyelet to eyelet. For a visual, please click here."
1970-1972GMCJimmyBase"ONLY fits models with 52" rear leaf springs. If vehicle is equipped with a front sway-bar, drop brackets are recommended SKU: 1019. Rear Spring Measurement: To confirm rear spring size a measurement will have to be pulled from eyelet to eyelet. For a visual, please click here."
1970-1972GMCK15/K1500 PickupBase"ONLY fits models with 52" rear leaf springs. If vehicle is equipped with a front sway-bar, drop brackets are recommended SKU: 1019. Rear Spring Measurement: To confirm rear spring size a measurement will have to be pulled from eyelet to eyelet. For a visual, please click here."
1970-1972GMCK15/K1500 SuburbanBase"ONLY fits models with 52" rear leaf springs. If vehicle is equipped with a front sway-bar, drop brackets are recommended SKU: 1019. Rear Spring Measurement: To confirm rear spring size a measurement will have to be pulled from eyelet to eyelet. For a visual, please click here."
1970-1972GMCK25/K2500 PickupBase"ONLY fits models with 52" rear leaf springs. If vehicle is equipped with a front sway-bar, drop brackets are recommended SKU: 1019. Rear Spring Measurement: To confirm rear spring size a measurement will have to be pulled from eyelet to eyelet. For a visual, please click here."
1969ChevroletK10 PickupBase"ONLY fits models with 52" rear leaf springs. If vehicle is equipped with a front sway-bar, drop brackets are recommended SKU: 1019. Rear Spring Measurement: To confirm rear spring size a measurement will have to be pulled from eyelet to eyelet. For a visual, please click here."
1969ChevroletK10 SuburbanBase"ONLY fits models with 52" rear leaf springs. If vehicle is equipped with a front sway-bar, drop brackets are recommended SKU: 1019. Rear Spring Measurement: To confirm rear spring size a measurement will have to be pulled from eyelet to eyelet. For a visual, please click here."
1969ChevroletK20 PickupBase"ONLY fits models with 52" rear leaf springs. If vehicle is equipped with a front sway-bar, drop brackets are recommended SKU: 1019. Rear Spring Measurement: To confirm rear spring size a measurement will have to be pulled from eyelet to eyelet. For a visual, please click here."
Rough Country P/N 18030

Suspension Lift Kits

$699.95

Check if this fits your vehicle Select your vehicle
Professional installation available
We install this! Suspension, wheel and tire labor varies a lot by vehicle and setup - contact your local store for an exact installation quote.
Built to orderShips direct from the manufacturer to your local H&H store. Call 888-865-4024 for lead times.
Susp Lift Kit
Free store pickupReady at your local H&H
22 storesAcross the Southeast
Family-ownedServing trucks since 1987
Installation availableAsk your store for a quote
4.8
5,563 reviews
Customer Reviews

Rated 4.8 across 22 stores

Every review below is a verified Google review of an H&H store — written by real customers about the people who sold, fitted and stood behind their gear.

Pensacola · 13 hours ago

Easy people to deal with and friendly. Will do business again with them.

Marietta · 1 day ago

The staff is friendly and helpful. They went out of their way to make sure I got a warranty part replaced. Their communication is professional and they completed the work in a timely manner and it looks wonderful! Thanks!

Pelham · 1 day ago

Bought step rails for a truck. Took less than an hour to have them installed! Great work!

Gainesville · 1 day ago

Great service. Super quick install.

Trussville · 2 days ago

Love the new look

B K
Conyers · 3 days ago

Eric was a pleasure to work with on my LEER top! Capable service guys installed my top and it looks great. Thank you!

Cumming · 6 days ago

My experience was great Brandon was exceptionally helpful and professional and the crew did a great job installing my tonneau cover Thanks

Decatur · 1 week ago

Tyler and his team have done a couple different jobs for me this year on two different trucks. The quality of work was outstanding.

Reviews of H&H Truck & Outdoor stores, sourced from Google. They rate our stores and service, not this individual product.