Sale

USA Standard Gear

3.00 Ratio Ring and Pinion Gear Set

$421.46 $393.89 Save $27.57

SKU: ZG F8-300

In Stock
In Stock
Ships by Aug 31
Free Shipping over $200
$100 Minimum Order
30 Days Return

Description

The USA Standard Gear ZG F8-300 is a direct-fit ring and pinion gear set engineered for Ford 8" differentials. This set provides a 3.00 gear ratio, making it suitable for applications requiring a balance between acceleration and cruising efficiency. Key specifications include an 8.00-inch ring gear diameter, a 25-spline pinion, and provisions for 10 ring gear bolts, ensuring compatibility with standard Ford 8" axle assemblies. USA Standard Gear prioritizes quality and value, designing their sets to exceed OEM specifications. Each set undergoes thorough in-house evaluations, including dimensional, material, and fitment testing, to guarantee performance and durability. This commitment ensures that the ZG F8-300 offers a reliable upgrade or replacement option for enthusiasts and mechanics alike. While USA Standard Gear provides a cost-effective alternative to higher-priced manufacturers, their products are noted as not being recommended for particularly quiet-running vehicles. However, they stand behind their components with a standard one-year warranty against manufacturing defects. This product is ideal for those seeking essential drivetrain upgrades where performance and essential quality are key, without the premium cost associated with some other brands.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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

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Specifications

BrandUSA Standard Gear
Part NumberZG F8-300
CategoryDrivetrain

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Returns & Fitment

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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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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