Yukon Gear Steel Spool For GM 8.5in & 8.6in w/ 30 Spline Axles

SKU: YUKYP_FSGM8.5-30

Differential Spool

YUK Steel Spools...

Yukon Gear & Axle

Yukon Gear Steel Spool For GM 8.5in & 8.6in w/ 30 Spline Axles

SKU: YUKYP_FSGM8.5-30

Differential Spool

YUK Steel Spools...

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

Yukon Full Spools are a cost-effective way to convert a diff to 100% lockup. Installation is easy as they install in place of your differential carrier assembly. Each Yukon 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

Yukon Performance 1-3/4" deck steel spool for 8.5" GM with 30 spline axles. Uses large bearings, 1.785 journals. Yukon performance spools are made from the highest quality materials to ensure high strength and long life in performance applications. Spools provide 100% power to both tires at all times and are a lower cost alternative to lockers. Spools are not recommended for street driven vehicles. Yukon Performance spools come with a one year warranty against manufacturing defects. This spool requires the use of a C-Clip eliminator kit to be used.

Features and Benefits

Fits GM 8.5 in. w/30 Spline Axles
Not recommended for street driven vehicles
Fits GM 8.5" with 30 spline axles
2.73 and up ratios only
Provides 100% traction to both wheels at all times
Provides 100 Percent Traction To Both Wheels At All Times

Product Details

AAP Selling Package Quantity UOM:	EA
AAP_UDA_12:	EA
AAP_UDA_22:	1
Axle Type:	GM 8.5 in.
California Proposition 65:	Not Applicable
Color:	Bare
Description:	Yukon steel spool for GM 8.5in./8.6in. with 30 spline axles
Grade Type:	Performance
Heat Treated:	Yes
Material:	Steel
Mounting Hole Quantity:	10
Part Number:	yukYP FSGM8.5-30
Position:	Front or Rear
Spline Quantity:	30
Title:	Yukon steel spool for GM 8.5" & 8.6" with 30 spline axles
WARNING CA Proposition 65 Required:	No
WARNING CA Proposition 65:	No

Application Summary

8.5"30SP SPOOL( uses LRG brgs)1-3/4"DECK,1.785"JRNL

Part Type

Differential Spool

Data: v4.2 - Upd: 2026-10-14 13:45:19

Features

2.73 and up ratios only
Fits GM 8.5 in. w/30 Spline Axles
Fits GM 8.5" with 30 spline axles
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

AAP Selling Package Quantity UOM:: EA
AAP_UDA_12:: EA
AAP_UDA_22:: 1
Axle Type:: GM 8.5 in.
California Proposition 65:: Not Applicable
Color:: Bare
Description:: Yukon steel spool for GM 8.5in./8.6in. with 30 spline axles
Grade Type:: Performance
Heat Treated:: Yes
Material:: Steel
Mounting Hole Quantity:: 10
Part Number:: yukYP FSGM8.5-30
Position:: Front or Rear
Spline Quantity:: 30
Title:: Yukon steel spool for GM 8.5" & 8.6" with 30 spline axles
WARNING CA Proposition 65 Required:: No
WARNING CA Proposition 65:: No

Reference Information

Brand Name/s	Yukon Gear & Axle
StreetFX SKU	yukYP_FSGM8.5-30
SFX Item ID	4489992
Supplier Item Code	4489992
Manufacturer SKU	YP FSGM8.5-30
Manufacturer UPC	883584321934
Alternative References	fsgm8.5-30, yga-32193, 8.5in, 8.6in