4" Lift Kit - RR Blocks - Chevy/GMC 73-76
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.
Vehicle fitment & tire options
Vehicle fitment
- 1975-1976 Chevy K10 (4WD)
- 1973-1974 Chevy Blazer (4WD)
- 1975-1976 Chevy K5 Blazer (4WD)
- 1973-1976 Chevy K10 Suburban (4WD)
- 1973-1976 GMC Jimmy (4WD)
- 1975-1976 GMC K15 (4WD)
- 1973-1974 GMC K15/K1500 Pickup (4WD)
- 1975-1976 GMC K15 Suburban (4WD)
- 1973-1974 Chevy K10 Pickup (4WD)
- 1973-1974 GMC K15/K1500 Suburban (4WD)
Tire / wheel / bolt pattern / offset / notes
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 / -Features
- 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.
Product specifications
Product category: Susp Lift Kits 4wd
Manufacturer: Rough Country
Manufacturer part number: 11530
UPC: 843030156114
Country of origin: China
Manufacturer-listed weight: 160.42 lbs
Product notes & installation
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.Estimated installation time: 6-8 hours
Included components
Front components
- Lifted leaf springs
- Steering arm
- Brake line relocation brackets
- U-bolts
- Hardware
Rear components
- 4" lift blocks
- U-bolts
- Hardware
Refund Policy
Returns accepted within 30 days of purchase. Items must be unused, in original packaging, and include proof of purchase. Restocking fees may apply. Non-returnable items: custom orders, electrical parts, and used products. For full details, visit our Refund Policy page.
