4 Inch Lift Kit | Rear Blocks | M1 | Ford F-250/f-350 Super Duty 4wd (99-04)

Built for Super Duty owners who want a leveled stance and aggressive look without losing ride quality, this 4-inch lift kit raises the front of your F-250/F-350 to match the rear for a factory-style appearance. With support for 33"–35" tires and premium M1 monotube shocks tuned for both on and off-road performance, you get the height and capability you're after while maintaining that smooth, balanced ride.

Installed and serviced at Road Runner Wheels & Tires. Most lift kits go in the same day. Call (678) 400-6467 to schedule.

What's included

• 3 Inch Block and U-Bolt Kit — provides rear lift and durable fastening for solid suspension geometry.
• Box Kit — structural reinforcement for the rear axle area, ensuring long-term stability under load.
• Universal U-Bolt Kit — additional fastening hardware for secure attachment of suspension components.
• 4-inch Front Leaf Springs (qty 2) — lifted springs that raise the front end while preserving ride quality and load capacity.
• M1 MONOTUBE SHOCK PAIR (qty 2) — application-valved shocks with 10-stage variable dampening, fine-tuned for balanced on and off-road performance, 18mm spring-loaded piston rod, and 54mm shock body for faster cooling.

Important notes

• Does NOT fit V-8 gas engine models or dually configurations.
• Does NOT fit trucks with a production date before March 1, 1999.
• Trucks equipped with a 2-piece rear driveshaft require a carrier bearing drop bracket (#1197), sold separately.
• Proper wheel backspacing is required to safely accommodate 35-inch tires — confirm your wheel offset before installation.

Why customers pick this at Road Runner

• Corrected front-to-rear geometry — sway bar drop brackets and track bar bracket included to maintain factory-like ride angles after lifting.
• Rough Country Lifetime Replacement Warranty backed by local service and support.
• Professionally installed by technicians who perform these lifts weekly — alignment checked and corrected in-house as part of every install.
• Premium M1 monotube shocks tuned to balance highway comfort and off-road capability, not a budget compromise.

Ready to build it? Call (678) 400-6467. Hablamos Español.