USA Standard Spool For Ford 9in / 31 Spline

SKU: YUKZP_FSF9-31

Differential Spool

YUK USA Std Steel Spools...

Yukon Gear & Axle

USA Standard Spool For Ford 9in / 31 Spline

SKU: YUKZP_FSF9-31

Differential Spool

YUK USA Std Steel 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.

We accept

Description

Installing a quality USA Standard Gear spool is a cost-effective way to get 100% lockup. Installation is easy as they install in place of your differential carrier assembly. Each USA Standard Gear spool is made from high-quality 8620 steel and heat treated for additional strength. A spool is an outstanding choice for dedicated off-road and drag racing vehicles only.

Product Overview

Features and Benefits

Not recommended for street driven vehicles

Product Details

California Proposition 65:	No
Description:	USA Standard Spool For Ford 9in / 31 Spline
Part Number:	yukZP FSF9-31

Application Summary

9"FORD 31spl STEEL SPOOL, 1.785"JRNL

Part Type

Differential Spool

Data: v4.2 - Upd: 2026-10-14 13:44:26

Features

Fits Ford 9" with 31 spline axles
Not recommended for street driven vehicles
Provides 100% traction to both wheels at all times

Specifications

California Proposition 65:: No
Description:: USA Standard Spool For Ford 9in / 31 Spline
Part Number:: yukZP FSF9-31

Reference Information

Brand Name/s	Yukon Gear & Axle
StreetFX SKU	yukZP_FSF9-31
SFX Item ID	4491382
Supplier Item Code	4491382
Manufacturer SKU	ZP FSF9-31
Manufacturer UPC	883584590040
Alternative References	fsf9-31, spz-59004, 9in