Rough Country 4in GM Suspension Lift Kit System 18030

Rough Country

Rough Country 4in GM Suspension Lift Kit System 18030

Sale price$699.95
SKU: RC18030
Quantity:
Rough Country 4 Inch Lift Kit | RR Spring | Chevy/GMC C10/K10 C15/K15 Truck/Half-Ton Suburban (69-72)

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.

Features:
Boosted Ground Clearance: Gain the extra height needed for better off-road capability and obstacle clearance.
Application-Specific Front & Rear Leaf Springs: Engineered for a perfect fit and optimal ride quality.
Clears 35-Inch Tires: Provides ample room to run up to a 35" tall tire with no rubbing.
Premium N3 Series Shocks: Includes application-valved N3 shock absorbers for balanced on-road comfort and off-road control.

Notes:
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.

Install Time:
6-8 hours

Front Components:
Lifted Leaf Springs\ Brake Line Relocation Brackets\ U-Bolts\ Hardware

Rear Components:
Lifted Leaf Springs\ U-Bolts\ Hardware

Fitment:
1969-1972 4WD Chevy C10/K10 Pickup
1969-1972 4WD Chevy C10/K10 Suburban
1969-1972 4WD Chevy C20/K20 Pickup
1969-1972 4WD Chevy K5 Blazer
1969-1972 4WD GMC C15/K15 Pickup
1969-1972 4WD GMC C15/K15 Suburban
1969-1972 4WD GMC C25/K25 Pickup
1970-1972 4WD GMC Jimmy

Tire Info:
35x12.50R15 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 +0 -
35x12.50R17 17x8.5 6x5.5 +1 -
315/70R17 17x8.5 6x5.5 +1 -
305/70R17 17x8.5 6x5.5 +1 -
35x12.50R17 17x9 6x5.5 -19 -
315/70R17 17x9 6x5.5 -19 -
305/70R17 17x9 6x5.5 -19 -
285/75R17 17x9 6x5.5 -19 -
35x12.50R17 17x9 6x5.5 -18 -
315/70R17 17x9 6x5.5 -18 -
305/70R17 17x9 6x5.5 -18 -
285/75R17 17x9 6x5.5 -18 -
35x12.50R17 17x9 6x5.5 -12 -
315/70R17 17x9 6x5.5 -12 -
305/70R17 17x9 6x5.5 -12 -
35x12.50R17 17x9 6x5.5 +0 -
315/70R17 17x9 6x5.5 +0 -
305/70R17 17x9 6x5.5 +0 -
35x12.50R17 17x9 6x5.5 +1 -
315/70R17 17x9 6x5.5 +1 -
305/70R17 17x9 6x5.5 +1 -
35x12.50R18 18x8.5 6x5.5 +0 -
295/70R18 18x8.5 6x5.5 +0 -
285/75R18 18x8.5 6x5.5 +0 -
35x12.50R18 18x8.5 6x5.5 +1 -
295/70R18 18x8.5 6x5.5 +1 -
285/75R18 18x8.5 6x5.5 +1 -
35x12.50R18 18x9 6x5.5 -12 -
295/70R18 18x9 6x5.5 -12 -
285/75R18 18x9 6x5.5 -12 -
35x12.50R18 18x9 6x5.5 +0 -
295/70R18 18x9 6x5.5 +0 -
285/75R18 18x9 6x5.5 +0 -
35x12.50R18 18x9 6x5.5 +1 -
295/70R18 18x9 6x5.5 +1 -
285/75R18 18x9 6x5.5 +1 -
295/70R18 18x10 6x5.5 -25 -
295/70R18 18x10 6x5.5 -19 -
295/70R18 18x10 6x5.5 -18 -
35x12.50R20 20x9 6x5.5 -12 -
295/65R20 20x9 6x5.5 -12 -
295/60R20 20x9 6x5.5 -12 -
35x12.50R20 20x9 6x5.5 +0 -
295/65R20 20x9 6x5.5 +0 -
295/60R20 20x9 6x5.5 +0 -
35x12.50R20 20x9 6x5.5 +1 -
295/65R20 20x9 6x5.5 +1 -
295/60R20 20x9 6x5.5 +1 -
35x12.50R20 20x10 6x5.5 -25 Minor Trimming
295/60R20 20x10 6x5.5 -25 Minor Trimming
35x12.50R20 20x10 6x5.5 -19 Minor Trimming
295/60R20 20x10 6x5.5 -19 Minor Trimming
35x12.50R20 20x10 6x5.5 -18 Minor Trimming
295/60R20 20x10 6x5.5 -18 Minor Trimming
35x12.50R20 20x12 6x5.5 -44 Trimming Required
35x12.50R22 22x10 6x5.5 -25 Minor Trimming
285/55R22 22x10 6x5.5 -25 -
35x12.50R22 22x10 6x5.5 -19 Minor Trimming
285/55R22 22x10 6x5.5 -19 -
35x12.50R22 22x10 6x5.5 -18 Minor Trimming
285/55R22 22x10 6x5.5 -18 -
35x12.50R22 22x12 6x5.5 -44 Trimming Required