4 Inch Lift Kit - RR Blocks - Chevy/GMC C10/K10 Truck & SUV/K5 Blazer (73-76)
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 includes application-specific front lifted leaf springs, delivering increased ground clearance without sacrificing ride comfort or control. Rear lift blocks and brake line brackets maintain proper geometry, ensuring a smooth, factory-like ride after installation. 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. Improved Steering and Handling: To maintain proper drivability, a raised steering arm is included correcting steering geometry for tight, responsive handling after the lift. Limited Lifetime Warranty: Rough Country backs this kit with a Limited Lifetime Warranty, giving you long-term confidence on and off the road.
- Boosted Ground Clearance: Gain the extra height needed for better off-road capability and obstacle clearance.
- Application-Specific Front 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.
- Raised Steering Arm Included: Corrects steering geometry for precise handling and improved alignment.
- Premium N3 Series Shocks: Includes application-valved N3 shock absorbers for balanced on-road comfort and off-road control.
Information:
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.
Application Summary:
| Year |
Make/Model |
| 1973-1974 |
Chevrolet Blazer |
| 1975-1976 |
Chevrolet K10 |
| 1975-1976 |
Chevrolet K10 Suburban |
| 1975-1976 |
Chevrolet K5 Blazer |
| 1973-1976 |
GMC Jimmy |
| 1975-1976 |
GMC K15 |
| 1975-1976 |
GMC K15 Suburban |
| 1973-1974 |
GMC K15/K1500 Pickup |
| 1973-1974 |
GMC K15/K1500 Suburban |
| Attributes |
| California Proposition 65 |
WARNING: Cancer - www.P65Warnings.ca.gov |
| Category |
Susp Lift Kits 4wd, Susp Lift Kits 4wd |
| Country of Origin (Primary) |
CN |
| Front Components |
Lifted leaf springs Steering arm Brake line relocation brackets U-bolts Hardware, Lifted Leaf Springs/Steering Arm/Brake Line Relocation Brackets/U-Bolts/Hardware |
| Front Kit Componenets |
Lifted leaf springs, Steering arm, Brake line relocation brackets, U-bolts, Hardware |
| Front Kit Components |
Lifted leaf springs, Steering arm, Brake line relocation brackets, U-bolts, Hardware |
| Harmonized Tariff Code (Schedule B) |
8708801600 |
| Hazardous Material Code |
N |
| Install Time |
6 - 8 hours |
| Installation Time |
6-8 hours |
| Life Cycle Status Code |
Available to Order |
| Lift/Drop Height |
4 in. |
| NAFTA Preference Criterion Code |
B |
| Rear Components |
4 in. lift blocks U-bolts Hardware, 4 in. Lift Blocks/U-Bolts/Hardware, 4 inch lift blocks U-bolts Hardware |
| Rear Kit Components |
4in lift blocks, U-bolts, Hardware |
| SDR Required Flag |
N |
| Shipping Group |
No Restrictions |
| Shipping Options |
No Restrictions |
| Ships in Multiple Boxes |
Y |
| Tire & Wheel Size Combinations |
35x12.50 R15 - 15x8, Backspacing: 4.5in, 35x12.50 R15 - 15x8, Backspacing: 4.5in |
| Tire Info |
35x12.50R15:15x8:6x5.5:-19:-;35x12.50R15:15x8:6x5.5:-18:-;35x12.50R15:15x8:6x5.5:+0:-;35x12.50R15:15x8:6x5.5:+1:-;305/70R17:17x8.5:6x5.5:+0:-;285/75R17:17x8.5:6x5.5:+0:-;305/70R17:17x8.5:6x5.5:+1:-;285/75R17:17x8.5:6x5.5:+1:-;315/70R17:17x9:6x5.5:-12:-;305/70R17:17x9:6x5.5:-12:-;285/75R17:17x9:6x5.5:-12:-;295/70R18:18x8:6x5.5:+0:-;295/70R18:18x8:6x5.5:+1:-;295/70R18:18x8.5:6x5.5:+0:-;285/75R18:18x8.5:6x5.5:+0:-;295/70R18:18x8.5:6x5.5:+1:-;285/75R18:18x8.5:6x5.5:+1:-;295/70R18:18x9:6x5.5:-12:-;295/70R18:18x10:6x5.5:-25:-;295/70R18:18x10:6x5.5:-19:-;295/70R18:18x10:6x5.5:-18:-;295/60R20:20x9:6x5.5:-12:-;35x12.50R20:20x10:6x5.5:-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;35x12.50R22:22x10:6x5.5:-25:Minor Trimming;285/55R22:22x10:6x5.5:-25:-;35x12.50R22:22x10:6x5.5:-19:Minor Trimming;295/50R22:22x10:6x5.5:-19:Minor Trimming;285/55R22:22x10:6x5.5:-19:-;35x12.50R22:22x10:6x5.5:-18:Minor Trimming;295/50R22:22x10:6x5.5:-18:Minor Trimming;285/55R22:22x10:6x5.5:-18:- |
| Tire Information |
35x12.50R15:15x8:6x5.5:-19:-;35x12.50R15:15x8:6x5.5:-18:-;35x12.50R15:15x8:6x5.5:+0:-;35x12.50R15:15x8:6x5.5:+1:-;305/70R17:17x8.5:6x5.5:+0:-;285/75R17:17x8.5:6x5.5:+0:-;305/70R17:17x8.5:6x5.5:+1:-;285/75R17:17x8.5:6x5.5:+1:-;315/70R17:17x9:6x5.5:-12:-;305/70R17:17x9:6x5.5:-12:-;285/75R17:17x9:6x5.5:-12:-;295/70R18:18x8:6x5.5:+0:-;295/70R18:18x8:6x5.5:+1:-;295/70R18:18x8.5:6x5.5:+0:-;285/75R18:18x8.5:6x5.5:+0:-;295/70R18:18x8.5:6x5.5:+1:-;285/75R18:18x8.5:6x5.5:+1:-;295/70R18:18x9:6x5.5:-12:-;295/70R18:18x10:6x5.5:-25:-;295/70R18:18x10:6x5.5:-19:-;295/70R18:18x10:6x5.5:-18:-;295/60R20:20x9:6x5.5:-12:-;35x12.50R20:20x10:6x5.5:-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;35x12.50R22:22x10:6x5.5:-25:Minor Trimming;285/55R22:22x10:6x5.5:-25:-;35x12.50R22:22x10:6x5.5:-19:Minor Trimming;295/50R22:22x10:6x5.5:-19:Minor Trimming;285/55R22:22x10:6x5.5:-19:-;35x12.50R22:22x10:6x5.5:-18:Minor Trimming;295/50R22:22x10:6x5.5:-18:Minor Trimming;285/55R22:22x10:6x5.5:-18:- |
| Tire, Wheel, and Offset Info |
35x12.50R15:15x8:6x5.5:+0:-; 295 60R20:20x9:6x5.5:-12:-; 295 50R22:22x10:6x5.5:-19:- |
| Utv Product |
N |
| GTIN |
00843030156114 |