Transform your classic GM truck or SUV with the Zone Offroad 6” Leaf Spring Lift Kit, engineered for 1977–1987 Chevy and GMC K1500 4WD gas models. This complete suspension system delivers aggressive stance, increased ground clearance, and the ability to run up to 36” tires while maintaining proper suspension geometry and daily-driving reliability.
Built with heavy-duty replacement front leaf springs, rear add-a-leafs, lift blocks, and steering corrections, this kit is designed to handle both street and trail use. Included Nitro Series shocks provide controlled damping, while brake line relocation brackets and extended U-bolts ensure a complete, well-engineered installation from start to finish.
Features:
- Heavy-duty replacement front leaf springs improve ride quality
- Rear add-a-leaf increases lift and load carrying capacity
- Black e-coated U-bolts resist corrosion and wear
- Brake line relocation brackets retain factory brake lines
- Steering components maintain factory-like handling geometry
- Clears up to 36-inch tires with proper wheel selection
- Includes Nitro Series shocks for controlled ride performance
- Designed for classic GM 4WD leaf spring suspensions
Specifications:
- Brand: Zone Offroad
- Product Type: Suspension lift kit
- Front Lift Height: 6 inches
- Rear Lift Height: 6 inches
- Lift Height Range: 6–7.5 inches depending on configuration
- Front Lift Method: Leaf spring
- Rear Lift Method: Block and add-a-leaf
- Shock Type: Nitro Series twin-tube shocks
- Drive Type: 4WD only
- Fuel Type: Gas engines only
Included:
- (2) Front Replacement Leaf Springs
- (4) Nitro Series Shocks
- (1) Rear Add-A-Leaf Kit
- (2) Rear Lift Blocks
- (4) Rear Extended U-Bolts
- (1) Brake Line Relocation Bracket Kit
- (1) Steering Arm
- (1) Bushing Set
- (1) Installation Hardware Kit
Fitment:
- 1977–1987 Chevrolet K1500 Pickup 4WD Gas
- 1977–1987 GMC K1500 Pickup 4WD Gas
- 1977–1987 Chevrolet K1500 Suburban 4WD Gas
- 1977–1987 GMC K1500 Suburban 4WD Gas
Note:
- 3 Year Warranty
- Auxiliary Shocks? If your vehicle is equipped with factory auxiliary front shocks, you will need to order auxiliary shocks to complete your kit.
- Driveline Notice: On some models, the front driveshaft may need to be clearanced at the double cardan joint to prevent binding.
- Some models may require the transfer case drop kit C5001 listed in the accessories to alleviate driveshaft vibration.