Skyjacker B8599 Black MAX Rear Shock for 2005-2018 F-250/F-350 Super Duty 4WD

Vehicle Fitment

• 2005-2018 Ford F-250 Super Duty (4WD, Gas & Diesel) - Rear, 6-8.5 inch lift
• 2005-2018 Ford F-350 Super Duty (4WD, Gas & Diesel) - Rear, 6-8.5 inch lift

Fitment Notes

• Rear position only - designed for vehicles with 6 to 8.5 inches of rear suspension lift
• 4WD models only - does not fit 2WD configurations
• Sold individually; quantity of 2 recommended for full rear axle replacement
• Factory shock mounting bolts are reused during installation

Features

• Advanced foam-cell technology compresses during oil expansion to deliver consistent damping at all operating temperatures
• Foam-cell design eliminates internal air, enabling 180° directional mounting in any orientation
• Twin-tube construction with chrome-plated shaft for long-lasting durability under heavy use
• 360° arc-welded end mounts for maximum structural integrity at all mounting points
• Vehicle-specific multi-stage StableSteer valving for a smooth, planted ride at lift height
• Increased fluid capacity for superior heat dissipation during extended off-road use
• Sintered iron piston with orifice control disk for consistent ride quality tuning
• Protective black boot shields the chrome shaft from trail debris and corrosion

Specifications

• Position: Rear
• Extended Length: 35.375 inches
• Collapsed Length: 21.625 inches
• Lift Range: 6-8.5 inches (rear)
• Directional Mounting: 180°
• End Mount Type: 360° Arc-Welded
• Warranty: Skyjacker Limited Lifetime Warranty

Included Components

• 1x Skyjacker B8599 Black MAX Rear Shock Absorber
• 1x Black Protective Boot (pre-installed)
• 1x Hardware Kit (washers, bushings, and nuts)

Product Description

The Skyjacker B8599 Black MAX Rear Shock Absorber is purpose-built for heavily lifted Ford Super Duty trucks, specifically engineered to work with 6 to 8.5 inches of rear suspension lift on 2005-2018 F-250 and F-350 4WD models. Its extended travel foam-cell twin-tube design handles the increased suspension arc of aggressive lift builds, maintaining consistent damping whether you're hauling, towing, or running rough terrain.

With vehicle-specific StableSteer valving and 360° arc-welded end mounts, the B8599 bolts on using factory hardware for a straightforward installation. The chrome-plated shaft and included black boot provide durable, long-term protection, making this shock a reliable and cost-effective choice for Super Duty owners running serious lift kits.