Suspension and Components› Shocks, Struts, Coil-Overs and Components

ICON

2017-2025 Ford F-250/F-350 Super Duty 2-5 Inch Lift Rear V.S. 2.0 Aluminum Series Shock Absorber Internal Reservoir Icon Vehicle Dynamics

$443.62

SKU: I001 66517

In Stock
In Stock
Ships by Jun 21
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

The ICON 66517 is a rear shock absorber designed for improved on and off-road performance. It features a nitrogen-charged monotube design with an internal reservoir and vehicle-specific valving for optimal ride quality. This shock absorber is 100% rebuildable and revalveable, utilizing premium grade 5WT shock oil for consistent damping across temperature ranges. The construction includes a 5/8” chrome-plated hardened steel shaft, 6061 aluminum rod ends, and a 6063 anodized aluminum body for durability and heat dissipation.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandICON
Part NumberI001 66517

Videos

ICON Vehicle Dynamics 2.5 Series Finned Reservoir Upgrade

ICON Vehicle Dynamics 2.5 Series Finned Reservoir Upgrade
Icon Shocks for Beginners - Your Questions Answered

Icon Shocks for Beginners - Your Questions Answered
HOW TO: Adjust Your ICON CDC Valve Shocks

HOW TO: Adjust Your ICON CDC Valve Shocks
Should you buy ICON shocks?

Should you buy ICON shocks?
Are Reservoir Shocks Overkill?

Are Reservoir Shocks Overkill?
Icon Vehicle Dynamics 2.5 Shock Service - Pitted Shaft Replacement, Seals, Oil

Icon Vehicle Dynamics 2.5 Shock Service - Pitted Shaft Replacement, Seals, Oil
How Are The Icons Able To Compete? [Shock Value Ep.3]

How Are The Icons Able To Compete? [Shock Value Ep.3]
In The Shop With: ICON Suspension - CDC Valve vs Regular Shocks

In The Shop With: ICON Suspension - CDC Valve vs Regular Shocks
Which Stage of ICON Suspension System Should I Buy?

Which Stage of ICON Suspension System Should I Buy?
Reservoir Rebuild: Icon Vehicle Dynamics 2.5" Shock Service

Reservoir Rebuild: Icon Vehicle Dynamics 2.5" Shock Service
ICON Vehicle Dynamics CDEV Shock System for the Ford Superduty

ICON Vehicle Dynamics CDEV Shock System for the Ford Superduty
In The Shop With Icon: Super Duty Suspension Options

In The Shop With Icon: Super Duty Suspension Options
King vs Fox vs Icon - Baseline Off the Shelf Shock Behaviors

King vs Fox vs Icon - Baseline Off the Shelf Shock Behaviors
ICON Vehicle Dynamics 2015 Ford Compilation

ICON Vehicle Dynamics 2015 Ford Compilation
4Runner Icon 2.5 Resi Rear Shock Overview (John)

4Runner Icon 2.5 Resi Rear Shock Overview (John)
HOW TO: Adjust Your Ride Height Using ICON Coilovers

HOW TO: Adjust Your Ride Height Using ICON Coilovers

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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