4.5-6" 1988-1992 GMC Pickup 1500 4WD Lift Kit by Skyjacker

The Skyjacker C4626K 4.5-6-Inch Suspension Lift Kit for 1988-1992 GMC Pickup 1500 4WD models is a comprehensive independent front suspension lift system designed to provide substantial ground clearance, increased tire clearance, and corrected suspension geometry at the increased ride height. The system combines heavy-duty crossmembers, front differential relocation brackets, upper and lower control arm drop brackets, torsion bar crossmember drop brackets, compression struts, steering correction components, extended front brake lines, a differential skid plate, 4.5-inch rear lift blocks, U-bolts, and supporting hardware. Shock options include Hydro 7000, Nitro 8000, BlackMAX, or M95 shocks.

The front suspension is relocated through reinforced drop brackets, and crossmembers engineered to maintain more favorable control arm and driveline geometry with the substantial increase in ride height. Upper and lower control arm mounting points are repositioned to preserve suspension operation, while front differential drop brackets help maintain appropriate CV axle angles. Torsion bar crossmember drop brackets retain the factory torsion bar suspension architecture at the new height, and heavy-duty compression struts reinforce the lifted front suspension structure for improved stability under street and off-road loads.

Steering geometry is addressed through a replacement center steering link, centerlink stabilizer assembly, and idler arm spacer designed around the increased suspension height. Extended front brake lines provide additional length for the lifted configuration, while a differential skid plate adds protection beneath the front drivetrain. At the rear, 4.5-inch lift blocks and longer U-bolts raise the factory leaf spring suspension to match the front lift and create a balanced stance without replacing the rear spring packs.

The C4626K can be configured with Skyjacker Hydro 7000, Nitro 8000, BlackMAX, or M95 shocks. Hydro 7000 shocks provide smooth hydraulic damping for controlled street and trail performance, while Nitro 8000 shocks use gas-charged damping for a firmer and more responsive feel. BlackMAX shocks provide durable hydraulic suspension control, while M95 Performance shocks use a monotube design for consistent damping and improved heat management during demanding use. With suspension relocation, steering correction, driveline geometry improvements, and selectable shock packages, the C4626K delivers a complete 4.5-6-inch lift solution for classic GMC Pickup builds.

Features & Benefits

• Provides approximately 4.5 to 6 inches of suspension lift for increased ground clearance and tire clearance
• Designed for 1988-1992 GMC Pickup 1500 4WD models
• Heavy-duty front crossmembers provide reinforced mounting points for the lifted independent front suspension
• Upper control arm drop brackets help maintain proper suspension geometry at the increased ride height
• Lower control arm drop brackets reposition the factory suspension mounting points for the lifted configuration
• Front differential drop brackets help maintain favorable CV axle and driveline operating angles
• Torsion bar crossmember drop brackets retain the factory torsion bar suspension layout
• Heavy-duty compression struts reinforce the lifted front suspension structure
• Replacement center steering link supports corrected steering geometry
• Centerlink stabilizer assembly provides additional steering system support
• Idler arm spacer accommodates the steering system at the increased suspension height
• Extended front brake lines provide additional length for the lifted suspension
• Differential skid plate provides additional protection for front drivetrain components
• 4.5-inch rear lift blocks raise the factory rear leaf spring suspension
• Includes longer rear U-bolts for the lifted suspension configuration
• Front and rear lift components create a balanced lifted stance
• Available with Skyjacker Hydro 7000 hydraulic shocks
• Hydro 7000 shocks provide smooth and controlled hydraulic damping
• Available with Skyjacker Nitro 8000 gas-charged shocks
• Nitro 8000 shocks provide responsive damping for increased suspension control
• Available with Skyjacker BlackMAX hydraulic shocks
• BlackMAX shocks provide durable and consistent suspension damping
• Available with Skyjacker M95 Performance monotube shocks
• M95 monotube construction provides consistent damping and effective heat management
• Multiple shock configurations allow the suspension system to be matched to different ride and performance preferences