USA Standard Spartan Locker For Ford 8.8in / 31 Spline / Incl. Heavy-Duty Cross Pin Shaft

SKU: YUKSL_F8.8-31

Differential Spool

YUK Spartan Lockers...

Yukon Gear & Axle

USA Standard Spartan Locker For Ford 8.8in / 31 Spline / Incl. Heavy-Duty Cross Pin Shaft

SKU: YUKSL_F8.8-31

Differential Spool

YUK Spartan Lockers...

Limited Availability from MFR Limited stock available from the manufacturer's distribution centre. The dispatch timeframe shown is an estimate based on historical orders of this part. This item is not held in our own warehouse, and availability and release timing may vary depending on manufacturer stock movements and processing at the time of ordering.

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Description

The Spartan Locker is a lunchbox locker that delivers reliable, 100% lockup traction at a low cost. It's design does not use the thrust washers and has a revolutionary spring and pin design that makes installation a snap!

Product Overview

Features and Benefits

Mechanical locker delivers reliable 100% lockup

Product Details

California Proposition 65:	WARNING: This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.
Description:	USA Standard Spartan Locker For Ford 8.8in / 31 Spline / Incl. Heavy-Duty Cross Pin Shaft
Grade Type:	Performance
Heat Treated:	Yes
Material:	9310
Part Number:	yukSL F8.8-31
Spline Quantity:	31

Application Summary

8.8" FORD 31spl 7/8" SPARTAN LOCKER

Part Type

Differential Spool

Data: v4.2 - Upd: 2026-10-22 20:07:15

Features

Fits Ford 8.8" with 31 spline axles and 7/8" cross pin shaft
Made from 9310 steel for added strength
Mechanical locker delivers reliable 100% lockup
Replaces the spiders in a standard carrier case

Specifications

California Proposition 65:: WARNING: This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.
Description:: USA Standard Spartan Locker For Ford 8.8in / 31 Spline / Incl. Heavy-Duty Cross Pin Shaft
Grade Type:: Performance
Heat Treated:: Yes
Material:: 9310
Part Number:: yukSL F8.8-31
Spline Quantity:: 31

Reference Information

Brand Name/s	Yukon Gear & Axle
StreetFX SKU	yukSL_F8.8-31
SFX Item ID	4488436
Supplier Item Code	4488436
Manufacturer SKU	SL F8.8-31
Manufacturer UPC	883584170051
Alternative References	f8.8-31, spz-17005, 8.8in