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Diamond T 10 Lug Dually Wheel Adapters, Dodge (1969-93) D350/W350 Dually (8 on 6.5″ to 10 on 285.75mm) (front & rear)

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SKU: 810DG89

Engineered for 1969-1993 Dodge D350/W350 dually trucks (front & rear) with 8 on 6.5″ hubs
Converts 8 on 6.5″ truck pattern to 10 on 285.75mm so you can run true 10-lug semi wheels
Hub-centric, heavy-duty steel adapters built to handle real work, towing, and hauling
Front and rear adapter set tailored to the older Dodge dually hub/axle geometry for correct stance and alignment
Ideal for semi wheel conversions that add big-rig style and serious load capability to classic Dodge dually trucks
Bolt-on installation with hub-centric locating for a secure, vibration-resistant fit when installed properly
Backed by the Diamond T reputation for high quality, American-branded components
American Made, Because It Matters

Availability: ETA on these adapters is currently 1-2 weeks.

Was: $1,261.99

Sale: $1,050.99

Save: 17%

Save: $211.00

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Year * required

If you have the new style (2019+) Alcoa wheels that the front wheel hub bore has a tapered edge, we will need to have a longer hub tab on the adapters for them to work. Older Alcoas and Accuride wheels do not need this upgrade and using the upgraded adapters on the wrong style would prevent you from using the push-in hub caps. Wheel Style

New Style Alcoa +$25.00 Select if you have the newer style Alcoa wheels.

We need to know what size the studs are on your factory hubs so that the holes in the wheel adapters will be the proper size. If your truck has the 1/2" studs, you will need to replace them with 9/16" studs do the strength limitations. You then will select 9/16" stud size below.

Hub Stud Size

- Hub Stud Size -

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Description

The Diamond T 10 Lug Dually Wheel Adapters, Dodge (1969-93) D350/W350 Dually – 8 on 6.5″ to 10 on 285.75mm (810DG89) are designed for owners who want to put true 10-lug semi wheels on classic Dodge dually trucks without sacrificing safety or strength. Built specifically for 1969–1993 D350/W350 dually platforms, these hub-centric adapters maintain proper alignment on both front and rear axles while converting the factory 8 on 6.5″ pattern to the industry-standard 10 on 285.75mm semi pattern.

Once installed, they allow you to bolt on the same style of 10-lug wheels used on medium-duty and big-rig applications, giving your old-body Dodge the stance and load capability serious users are after. The heavy-duty steel construction and hub-centric design are intended for real towing and hauling, delivering the stability and confidence you expect from a premium Diamond T product on vintage work trucks and show builds alike.

Sold as a matched front and rear kit for Dodge D350/W350 dually trucks, 810DG89 provides a clean, bolt-on path to a semi-wheel conversion while upholding the high-quality standards associated with the Diamond T name—American Made, Because It Matters.