Zumbrota Drivetrain

Mini Spool Ford 9-Inch 31-Spline

$70.89

SKU: YP MINSF9-31

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

Description

The Yukon Gear and Axle mini spool, part number YP MINSF9-31, is engineered for enhanced traction in Ford 9-inch differentials. Designed for vehicles with 31-spline axles, this component ensures 100% of available torque is delivered to both wheels simultaneously, offering maximum grip in off-road or performance applications. Its design guarantees immediate power transfer to both rear wheels, making it ideal for situations where consistent traction is paramount. It is important to note that this mini spool is specifically not recommended for street-driven vehicles due to its nature of locking the differential. This characteristic can lead to tire scrub and increased wear on pavement, as well as potentially affecting handling dynamics under normal driving conditions. For off-road enthusiasts and performance builders seeking uncompromising traction, the YP MINSF9-31 is a robust solution.

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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Specifications

BrandZumbrota Drivetrain
Part NumberYP MINSF9-31
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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