Yukon Gear Steel Spool For Model 20 w/ 29 Spline Axles / 3.08+

SKU: YUKYP_FSM20-3-29

Differential Spool

YUK Steel Spools...

Yukon Gear & Axle

Yukon Gear Steel Spool For Model 20 w/ 29 Spline Axles / 3.08+

SKU: YUKYP_FSM20-3-29

Differential Spool

YUK 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.

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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 spool for Model 20 with 29 spline axles. fits 3.08 and up. 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.

Features and Benefits

Fits AMC Model 20
Not recommended for street driven vehicles
3.08 and up ratio only
Provides 100% traction to both wheels at all times
3.08 And Down Ratio Only

Product Details

AAP Selling Package Quantity UOM:	EA
AAP_UDA_12:	EA
AAP_UDA_22:	1
Axle Type:	AMC 20
California Proposition 65:	Not Applicable
Color:	Bare
Description:	Yukon steel spool for Model 20 with 29 spline axles; 3.08/up
Grade Type:	Performance
Heat Treated:	Yes
Material:	Steel
Mounting Hole Quantity:	8
Part Number:	yukYP FSM20-3-29
Position:	Front or Rear
Spline Quantity:	29
Title:	Yukon steel spool for Model 20 with 29 spline axles, 3.08 & up
WARNING CA Proposition 65 Required:	No
WARNING CA Proposition 65:	No

Application Summary

M20 3.08 & UP 29spl SPOOL

Part Type

Differential Spool

Data: v4.2 - Upd: 2026-10-13 15:46:00

Features

3.08 And Down Ratio Only
3.08 and up ratio only
Fits AMC Model 20
Not recommended for street driven vehicles
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:: AMC 20
California Proposition 65:: Not Applicable
Color:: Bare
Description:: Yukon steel spool for Model 20 with 29 spline axles; 3.08/up
Grade Type:: Performance
Heat Treated:: Yes
Material:: Steel
Mounting Hole Quantity:: 8
Part Number:: yukYP FSM20-3-29
Position:: Front or Rear
Spline Quantity:: 29
Title:: Yukon steel spool for Model 20 with 29 spline axles, 3.08 & up
WARNING CA Proposition 65 Required:: No
WARNING CA Proposition 65:: No

Reference Information

Brand Name/s	Yukon Gear & Axle
StreetFX SKU	yukYP_FSM20-3-29
SFX Item ID	4489993
Supplier Item Code	4489993
Manufacturer SKU	YP FSM20-3-29
Manufacturer UPC	883584320494
Alternative References	fsm20-3-29, yga-32049