Yukon Gear Mini Spool For Ford 9in w/ 31 Spline Axles

SKU: YUKYP_MINSF9-31

Spools and Mini Spools

YUK Mini Spools...

Yukon Gear & Axle

Yukon Gear Mini Spool For Ford 9in w/ 31 Spline Axles

SKU: YUKYP_MINSF9-31

Spools and Mini Spools

YUK Mini Spools...

Available from MFR. This item is available from the manufacturer's distribution centre. The dispatch timeframe shown is an estimate based on historical order processing and release times for this part. This item is not held in our own warehouse, and actual dispatch timing may vary depending on manufacturer workload and logistics at the time of ordering.

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Description

Yukon Mini Spools are a low-cost traction option for vehicles looking for full-time lockup. The mini spool installs into a standard open carrier in place of the spider gears and delivers 100% power to both tires at all times. These units are not recommended for street-driven vehicles. Full spools are recommended for vehicles with large tires or high horsepower.

Product Overview

Mini Spool for Ford 9.0 with 31 spline axles. Cross is bored for three cross pins. Mini spools are a low-cost traction option for vehicles looking for full-time lockup. The mini spool installs into a standard open carrier and give 100% power to both tires at all times. These units are not recommended for street-driven vehicles. We recommend full spools for vehicles with large tires or high horsepower. These units come with a one year warranty against manufacturing defects.

Features and Benefits

Fits Ford 9 in. w/31 Spline Axles
Not recommended for street driven vehicles
Fits Ford 9" with 31 spline axles
Installs into a standard open carrier case
Provides 100% traction to both wheels at all times
Provides 100 Percent Traction To Both Wheels At All Times
Installs Into Standard Open Carrier Case

Product Details

AAP Selling Package Quantity UOM:	EA
AAP_UDA_12:	EA
AAP_UDA_22:	1
Axle Type:	Ford 9 in.
California Proposition 65:	Not Applicable
Color:	Black
Description:	Mini spool for Ford 9in. with 31 spline axles
Grade Type:	Performance
Heat Treated:	Yes
Material:	Steel
Part Number:	yukYP MINSF9-31
Position:	Rear
Spline Quantity:	31
Title:	Mini spool for Ford 9" with 31 spline axles
WARNING CA Proposition 65 Required:	No
WARNING CA Proposition 65:	No

Application Summary

9" FORD 31spl MINI SPOOL

Part Type

Differential Spool

Data: v4.2 - Upd: 2026-10-18 19:34:21

Features

Fits Ford 9 in. w/31 Spline Axles
Fits Ford 9" with 31 spline axles
Installs into a standard open carrier case
Installs Into Standard Open Carrier Case
Not recommended for street driven vehicles
Provides 100 Percent Traction To Both Wheels At All Times
Provides 100% traction to both wheels at all times

Specifications

Product Attributes - Brand: Yukon Gear & Axle
Product Attributes - Manufacturer's Part Number: YP MINSF9-31
Product Attributes - Part Type: Spools and Mini Spools
Product Attributes - Product Line: Yukon Gear & Axle Mini Spools
Product Attributes - UPC: 883584320579
Product Attributes - Manufacturer of Axle: Ford
Product Attributes - Aftermarket Carrier Style: Mini spool
Product Attributes - Axle Shaft Spline Quantity: 31
Product Attributes - Spool Material: Steel
Product Attributes - C-Clip Eliminator Kit Required: No
Product Attributes - Quantity: Sold individually.
Product Attributes - Notes: Fits rear differential only. Uses a single cross pin but will fit carriers that had up to 3 cross pins. Mini-spools take the place of the stock-type side gears in OEM type (non-limited slip) differentials only!

Reference Information

Brand Name/s	Yukon Gear & Axle
StreetFX SKU	yukYP_MINSF9-31
SFX Item ID	4490011
Supplier Item Code	4490011
Manufacturer SKU	YP MINSF9-31
Manufacturer UPC	883584320579
Alternative References	minsf9-31, YGA-32057, 9in