Fabtech FTS835235P Dirt Logic 4.0 Rear Coilover Shock 17" Super Duty F-450/F-550

The Fabtech Dirt Logic 4.0 Resi Coilover delivers ultimate hardcore off-road dampening capacity with superior highway comfort in a massive, high-end package. Engineered specifically for full-size trucks that demand the biggest and best coilover shock in a bolt-on configuration, this premium suspension component is built for extreme performance and durability.

Key Features:

• 4.0-inch outer diameter stainless steel body for maximum strength and corrosion resistance
• 3 5/8-inch outer diameter billet aluminum piston for precise damping control
• 1 1/4-inch NitroSteel black piston rod for exceptional durability
• Cold wound coil springs engineered for consistent performance
• Adjustable coilover construction allows ride height customization
• 3/4-inch spherical ball mounting ends for smooth articulation
• 4.0-inch outer diameter aluminum remote reservoir for increased oil capacity and cooling
• Extended length: 25.31 inches
• Collapsed length: 16.81 inches
• Stroke length: 8.50 inches
• Top mount: B2 configuration
• Bottom mount: B1 configuration

Designed for 6-inch lift applications on Ford Super Duty F-450 and F-550 trucks, this rear coilover shock provides the ultimate combination of aggressive off-road capability and comfortable on-road performance. The large 4.0-inch shock body and remote reservoir work together to deliver consistent damping even under the most demanding conditions.