6 Inch Lift Kit Rear Blocks | GMC C15/K15 Truck/Half-Ton Suburban (73-76)
Overview
Give your truck an impressive upgrade, front to back with Rough Country’s 6" GM Suspension Lift Kit! This easy-to-install lift kit raises the front of your vehicle to be equal height with the rear for a leveled, better-than-stock look that gives an improved ride height and more aggressive appearance.
This kit features a set of front lifted leaf springs allowing you gain additional ride height without sacrificing ride quality or performance. A set of rear add-a-leaf springs, blocks and brake line brackets are provided to keep everything at optimum angles for a factory-like ride, even after lifting.
A set of Rough Country's premium N3 shocks are also included. These fine tuned 10-stage variable high-pressure Nitrogen charged shocks offer a fantastic blend of off-road action and smooth highway ride quality. With a durable 18mm spring-loaded piston rod and faster-cooling 54mm shock body.
Get the wheels you want! Rough Country's 6" GM Suspension Lift Kit comes with everything you need to fit up to a 37" tire with proper wheel backspacing.
Best of all, Rough Country's 6” GM Suspension Lift Kit is backed by our Lifetime Replacement Warranty.
Features
- Increased ground clearance
- Includes application valved N3 series shock absorbers which offer the best in balanced performance for on and off-road use.
Notes - Important
- 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.
Specs
| SKU | 12530 |
|---|---|
| Est. Install Time | 6 - 8 hours |
In the Box
Front
- Lifted leaf springs
- Steering arm
- Brake line relocation brackets
- U-bolts
- Hardware
Rear
- 4" lift blocks
- Add-a-leaf springs
- U-bolts
- Hardware
Shocks
- (4) Premium N3 series
Instructions
- Est. Install Time: 6 - 8 hours
- View Instruction Sheet
Vehicle Fitment
| Years | Drive | Make | Model |
|---|---|---|---|
| 1973-1976 | 4WD | Chevy | C10/K10 Pickup |
| 1973-1976 | 4WD | Chevy | C10/K10 Suburban |
| 1973-1976 | 4WD | Chevy | K5 Blazer |
| 1973-1976 | 4WD | GMC | C15/K15 Pickup |
| 1973-1976 | 4WD | GMC | C15/K15 Suburban |
| 1973-1976 | 4WD | GMC | Jimmy |
ALWAYS read all product page details for more important fitment information
Recommended Tires & Wheels
| Tire | Wheel | Bolt Pattern | Offset | Note |
|---|---|---|---|---|
| 37x13.50R15 | 15x8 | 6x5.5 | +0 | - |
| 37x12.50R20 | 20x9 | 6x5.5 | -12 | Minor Trimming |
| 37x12.50R20 | 20x10 | 6x5.5 | -25 | - |
| 37x12.50R20 | 20x10 | 6x5.5 | -24 | - |
| 37x12.50R20 | 20x10 | 6x5.5 | -19 | - |
| 37x12.50R20 | 20x10 | 6x5.5 | -18 | - |
| 37x12.50R20 | 20x12 | 6x5.5 | -44 | Trimming Required |
| 37x12.50R22 | 22x10 | 6x5.5 | -19 | - |
Due to differences in manufacturing, dimension and inflated measurements, tire and wheel combinations should be test fit prior to installation
