Rough Country 6in Lift Kit Rear Springs - Front and Rear - Chevrolet/GMC 1973-1976
OR if you know the Part Number you need, select from Options below.

Part #:RUC-12630
Availability:In Stock
Free Shipping
Installation Instructions: Click Here
- 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 37-Inch Tires: Provides ample room to run up to a 37" 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.
Transform Your Truck's Stance and Capability: Upgrade your GM truck from front to back with Rough Country's 6" 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 6" lift offers enough clearance to run up to a 37" 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.
California Residents: Prop 65 Warning

Customer Reviews
Rough Country 6in Lift Kit Rear Springs - Front and Rear - Chevrolet/GMC 1973-1976 fits the following vehicle(s):
- 1973 Chevrolet Blazer
- 1974 Chevrolet Blazer
- 1975 Chevrolet K10
- 1976 Chevrolet K10
- 1975 Chevrolet K10 Suburban
- 1976 Chevrolet K10 Suburban
- 1975 Chevrolet K5 Blazer
- 1976 Chevrolet K5 Blazer
- 1973 GMC Jimmy
- 1974 GMC Jimmy
- 1975 GMC Jimmy
- 1976 GMC Jimmy
- 1975 GMC K15
- 1976 GMC K15
- 1975 GMC K15 Suburban
- 1976 GMC K15 Suburban
- 1973 GMC K15/K1500 Pickup
- 1974 GMC K15/K1500 Pickup
- 1973 GMC K15/K1500 Suburban
- 1974 GMC K15/K1500 Suburban