BDS 4 Inch Lift Kit | 1977-1979 Ford F100/F150 4WD | Block Kit Rear

This configuration includes a cast iron lift block kit in the rear. Blocks are tapered for correct pinion angle, with an offset steel pin and hole to restore axle position. Includes new center pins.

Overview

This 4-inch suspension lift kit from BDS Suspension is designed for 1977–1979 Ford F100 and F150 4WD trucks. The kit is engineered to improve stance, performance, and off-road capability, and provides clearance for up to 33-inch tires. Up front, the kit includes Pro-Ride coil springs, radius arm drop brackets, a track bar relocation bracket for steering correction, bump stop brackets, and precision-tuned NX2 nitrogen charged shocks. The rear lift is available in multiple configurations — choose the option that best suits your truck's existing suspension condition and desired performance characteristics.

Features

• Bolt-on installation
• Pro-Ride dual-rate coil springs for smooth, predictable ride across various terrains
• Heavy-duty steel radius arm drop brackets for proper suspension geometry
• Track bar relocation bracket for steering correction
• Bump stop brackets included
• Cast steel rear lift blocks provide a level stance from front to rear
• NX2 Nitro shocks with vehicle-specific valving for improved control

Specifications

• Lift Height: 4 inches
• Tire Clearance: Up to 33 inches
• Front Lift Method: Pro-Ride coil springs with radius arm drop brackets
• Rear Lift Method: Selectable — Block Kit, Block Kit with Add-A-Leaf, or Leaf Springs (see variant options)
• Shock Type: NX2 Nitro nitrogen charged shocks (front and rear)
• Block Material: Cast iron

Installation

• Estimated Time: 6 hours
• Difficulty: Moderate
• Tools Required: Drill / Bit Set, Pitman Arm Puller

Important Notes

Alignment "C" bushings may be required. #003408 (4") Leaf Springs and #003608 (6") Leaf Springs come with OE style bushings installed. Add two front auxiliary shocks if the vehicle is equipped with factory dual mounts.