ICON Alloys Sentinel 18x9 8x170 +6mm Machined Forged Wheel

The ICON Alloys Sentinel is an 18×9 monoblock forged alloy wheel built for demanding off-road and heavy-duty truck use, offered in an 8×170 bolt pattern with a +6mm offset, 5.25" backspace, and a 4,000 lb load rating. The Machined finish features a CNC machined billet aluminum center cap with a machined ICON Alloys logo.

Shipping: ICON parts ship direct from ICON Vehicle Dynamics, mostly by UPS Ground. Lead times vary by part and some items are built to order, so please allow extra time. We email tracking as soon as your order ships.

Forged Construction, Reduced Unsprung Weight

Monoblock forged construction gives the Sentinel a strength-to-weight advantage over cast wheels. Less unsprung weight lets the suspension respond more quickly to terrain changes, and lower rotating mass reduces the inertia the drivetrain works against during acceleration and braking. Both factors matter on technical off-road terrain where wheel response is constant.

Application-Specific Dimensions

The 18×9 size and +6mm offset are engineered for specific vehicle applications rather than adapted from a universal fitment. That specificity keeps tire clearance and vehicle dynamics within the range the suspension was designed for, rather than introducing scrub radius or clearance problems that come with poorly matched aftermarket sizing.

Features

• Monoblock forged alloy construction: high strength-to-weight ratio suited for off-road use
• 12-spoke aggressive profile: bold design with application-specific 18×9 dimensions
• 4,000 lb load rating: rated capacity for heavy-duty truck applications
• CNC machined billet aluminum center cap: machined ICON Alloys logo finish detail
• +6mm offset / 5.25" backspace: optimizes tire clearance and vehicle dynamics for fitment applications

Specifications

California Proposition 65 Warning: This product contains chemicals known to the State of California to cause cancer, birth anomalies, or other reproductive harm.

Who This Is For and Isn't

The Sentinel in this configuration suits single rear wheel trucks running an 8×170 bolt pattern. The 4,000 lb load rating and forged construction make it appropriate for heavy-duty applications where strength and reduced unsprung weight are priorities.

This wheel does not fit dual rear wheel (DRW/dually) configurations. Ford F-250 and F-350 trucks equipped with a Dana M275 or Dana M300 rear axle require center cap spacers for rear wheel installation; those spacers are not yet available. Professional mounting and balancing of an appropriately sized tire is required before installation.

Common Questions

What bolt pattern does this wheel use?

The ICON Alloys Sentinel in this configuration uses an 8×170 bolt pattern, which is common on Ford Super Duty trucks. The Sentinel is sold in application-specific configurations, and this listing covers only the 8×170 fitment. Confirm your vehicle's bolt pattern before ordering.

What is the load rating?

The Sentinel carries a 4,000 lb load rating per wheel, making it suited for heavy-duty truck applications where payload and towing loads place high demands on wheel strength.

Does this wheel fit dual rear wheel trucks?

No. Application Note #151 specifies that this Sentinel fitment is for single rear wheel models only. It is not compatible with dual rear wheel (dually) configurations.

Are there any fitment notes for F-250 or F-350 trucks with a Dana rear axle?

Ford F-250 and F-350 trucks equipped with a Dana M275 or Dana M300 rear axle require center cap spacers for the rear wheels. A center cap spacer kit has been noted as forthcoming but was not yet available at the time this listing was published. Verify availability before completing a rear-wheel installation on these axles.

What does monoblock forged construction mean for durability?

Monoblock forged construction means the Sentinel wheel is formed from a single piece of forged alloy rather than cast or assembled from multiple pieces. The forging process aligns the grain structure of the material, producing strength properties well suited for off-road impacts and heavy loads while keeping weight lower than a comparable cast wheel.