Rancho RS90000XL 0″ Front Lift Shocks for 2008-2016 Ford F-450

Description
Rancho RS90000XL 0″ Front Lift Shocks for 2008-2016 Ford F-450

Rancho RS9000XL 0″ Front Lift Shocks for 2008-2016 Ford F-450 / F-550

Part Number: RS999042

Summary: The Rancho RS9000XL series provides industry-leading versatility for heavy-duty Ford trucks. Featuring a 9-position manual adjustment knob, these shocks allow drivers to instantly tune damping levels to compensate for varying payloads or towing requirements. Whether navigating empty highways or hauling maximum GVWR, this adjustable system ensures optimal ride control and stability for the Ford F-450 and F-550 chassis.

Features

• 9-Position Tuning: A manual adjustment knob provides nine distinct levels of damping to ensure the perfect balance between street comfort and heavy-duty towing stability.
• Large Shock Body: A 2.75-inch diameter reserve tube provides increased oil capacity to ensure cooler operating temperatures during demanding work cycles.
• Nitrogen Gas Charged: High-pressure gas integration provides a reduction in aeration and foaming to ensure consistent valving performance in extreme conditions.
• Protective Boot: A heavy-duty liquid metallic finish and included poly-vinyl boot provide a shield against road debris to ensure long-term seal integrity.

Technical Specifications

Fitment

• 2008-2016 Ford F-450
• 2008-2016 Ford F-550
• Note: Designed for vehicles at factory ride height (0″ lift).

What’s Included

• Includes 2 Shocks
• Protective Dust Boots
• Mounting Hardware (where applicable)

Why Choose This Product?

• Engineering Advantage: Unlike fixed-rate shocks, the RS9000XL uses a tri-tube design and adjustable global valving that adapts to the specific weight demands of Super Duty applications.
• Performance Benefit: Eliminates the “one size fits all” compromise, giving the driver the ability to firm up the front end for snow plows or heavy campers, or soften it for daily commuting.

Related Products

RS5000X (Front):
Rancho RS5000X 0" Front Lift Shocks for 2008-2016 Ford F-450

RS5000X (Rear):
Rancho RS5000X 0" Rear Lift Shocks for 2008-2016 Ford F-450

RS7MT (Front):
Rancho RS7MT 0" Front Lift Shocks for 2008-2016 Ford F-450

RS7MT (Rear):
Rancho RS7MT 0" Rear Lift Shocks for 2008-2016 Ford F-450

Rear Only (Same Series):
Rancho RS90000XL 0" Rear Lift Shocks for 2008-2016 Ford F-450

RS5000X (Kit):
Rancho RS5000X 0" Lift Shocks for 2008-2016 Ford F-450

RS90000XL (Kit):
Rancho RS90000XL 0" Lift Shocks for 2008-2016 Ford F-450

RS7MT (Kit):
Rancho RS7MT 0" Lift Shocks for 2008-2016 Ford F-450

Frequently Asked Questions

How do I adjust the firmness of these shocks?
The shocks feature an external 9-position knob located at the base of the shock body that can be turned by hand to increase or decrease damping resistance.

Will these shocks lift my Ford F-450?
No, these shocks are configured for a 0-inch lift and are designed to replace the factory-length dampers without changing the vehicle’s ride height.

What is the benefit of the large 2.75-inch body?
The larger body houses more fluid, which helps dissipate heat faster than standard shocks, preventing “shock fade” during heavy hauling or prolonged use.