Description

IMPORTANT NOTICE: Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.Reference Information Reference Data (Provide these details to our support team) Brand Name/s Yukon Gear & Axle, YUKON GEAR AND AXLE, Yukon Gear And Axle (randys) StreetFX SKU yukYG_F10.5-430-31 SFX Item ID 4489257 Accounting SKU yuk-YG_F10.5-430-31 Manufacturer SKU YG F10.5-430-31 Manufacturer UPC 883584245728 Alternative References yukYG F10.5-430-31

Yukon Gear High Performance Gear Set For 10 & Down Ford 10.5in in a 4.30 Ratio

Yukon Gear & Axle high-performance ring and pinion gear sets are the benchmark of quality in the automotive gear industry. Yukon engineers use state-of-the art design, advanced heat-treating techniques, and leading-edge quality testing processes to ensure the structure and surface finish meet exacting specifications and quality standards. Yukon offers its Y.E.S. Plan, a lifetime, comprehensive, no-questions-asked protection plan covering your gear set for as long as you own your vehicle. Whether you’ve added tons of horsepower under the hood, upgraded to bigger tires, are just want to optimize the traction performance of your ride, Yukon offers the widest selection of gear ratios on the market to accommodate every need.

Additional Information

Yukon Gear/Axle high performance ring/pinions set the standard for quality. Yukon designed the gear tooth surface finish to reduce friction and heat; and use high grade steel in both the ring/pinion; with fitment designed to OEM spec

Part Type

Differential Ring and Pinion

Features and Benefits

• 10.50 in. Ring Gear Diameter
• 10.50" ring gear diameter
• 12 ring gear bolts
• 31 spline pinion
• 4.30 ratio
• Fits 1999-2010 Ford 10.5 in.
• Fits 1999-2010 Ford 10.5"

Product Details

AAP Selling Package Quantity UOM:	EA
Package UOM	EA
Package Qty	1
Axle Model:	Ford 10.5
Axle Type:	Ford 10.5 in.
Cover Bolt Quantity:	12
Description:	High performance Yukon ring/pinion gear set for 10/down 10.5in. in a 4.30 .
Differential:	Ford 10.5, 08-10
Gear Ratio:	4.3
Mounting Hardware Included:	No
Part Number:	yukYG F10.5-430-31
Pinion Spline Count:	31
Position:	Rear
Ring Gear Bolt Quantity:	12
Ring Gear Outside Diameter:	10.5
Shims Included:	No
Title:	Yukon high performance ring & pinion set, '10 & down Ford 10.5", 4.30 ratio

Product Overview

Yukon Gear & Axle high performance ring & pinions set the standard for quality. Yukon Engineers use state-of-the art design & testing processes, backed by 2 in-house quality labs to ensure each item manufactured meets exacting specifications & quality standards. Yukon designed gear tooth surface finish reduces both friction & heat for long races & high torque conditions. We use high grade steel in both the ring & pinion, with fitment designed to OEM specs. Go ahead, add loads of horsepower & go big on tires because Yukon offers the widest selection of gear ratios to choose from. You?ll know that your gear choice was the right one, because you chose Yukon. Yukon Ring & Pinions come with a 1 year warranty against manufacture defects. Yukon offers a Y.E.S. Plan for a lifetime, comprehensive, no-questions-asked protection plan covering your gears for as long as you own the vehicle.

Additional Application Notes
• Ford 10.5 in.; 4.30 Ratio; 31 Spline Pinion~Ford 10.5 in. Rear; Ring and Pinion Set; 4.30 Ratio; 31 Spline Pinion Ford 10.5 in.; 4.30 Ratio; 31 Spline Pinion 10.5 in. 14 Bolt; 4.30 Ratio
• Ford 10.5 in.; 4.30 Ratio; 31 Spline Pinion Ford 10.5 in. Rear; Ring and Pinion Set; 4.30 Ratio; 31 Spline Pinion
• Ford 10.5 in.; 4.30 Ratio; 31 Spline Pinion 10.5 in. 14 Bolt; 4.30 Ratio
• Ford 10.5 in.; 4.30 Ratio; 31 Spline Pinion
• 10.5 in. 14 Bolt; 4.30 Ratio
• Ford 10.5 in.; 4.30 Ratio; 31 Spline Pinion~Ford 10.5 in. Rear; Ring and Pinion Set; 4.30 Ratio; 31 Spline Pinion Ford 10.5 in.; 4.30 Ratio; 31 Spline Pinion Ford 10.5 in. Rear; Ring and Pinion Set; 4.30 Ratio; 31 Spline Pinion 10.5 in. 14 Bolt; 4.30 Ratio
• Ford 10.5 in.; 4.30 Ratio; 31 Spline Pinion~Ford 10.5 in. Rear; Ring and Pinion Set; 4.30 Ratio; 31 Spline Pinion Ford 10.5 in. Rear; Ring and Pinion Set; 4.30 Ratio; 31 Spline Pinion 10.5 in. 14 Bolt; 4.30 Ratio
• Ford 10.5 in.; 4.30 Ratio; 31 Spline Pinion~Ford 10.5 in. Rear; Ring and Pinion Set; 4.30 Ratio; 31 Spline Pinion 10.5 in. 14 Bolt; 4.30 Ratio

These additional application notes are supplied by the manufacturer and collated from multiple year ranges. Not all of these notes may apply to every year or every variant. Please contact a StreetFX agent for clarification if required.

Product Downloads

#	Document Type	Download
1.	Installation Instructions

Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.

Data: v2 - Desc: v4.2 - Upd: 2026-10-16 02:36:06

Product Overview

Yukon Gear & Axle high performance ring & pinions set the standard for quality. Yukon Engineers use state-of-the art design & testing processes, backed by 2 in-house quality labs to ensure each item manufactured meets exacting specifications & quality standards. Yukon designed gear tooth surface finish reduces both friction & heat for long races & high torque conditions. We use high grade steel in both the ring & pinion, with fitment designed to OEM specs. Go ahead, add loads of horsepower & go big on tires because Yukon offers the widest selection of gear ratios to choose from. You?ll know that your gear choice was the right one, because you chose Yukon. Yukon Ring & Pinions come with a 1 year warranty against manufacture defects. Yukon offers a Y.E.S. Plan for a lifetime, comprehensive, no-questions-asked protection plan covering your gears for as long as you own the vehicle.

Features and Benefits

• Fits 1999-2010 Ford 10.5 in.
• 4.30 ratio
• Fits 1999-2010 Ford 10.5"
• 10.50" ring gear diameter
• 31 spline pinion
• 12 ring gear bolts
• 10.50 in. Ring Gear Diameter

Product Details

AAP Selling Package Quantity UOM:	EA
AAP_UDA_12:	EA
AAP_UDA_22:	1
Axle Model:	Ford 10.5
Axle Type:	Ford 10.5 in.
California Proposition 65:	Not Applicable
Cover Bolt Quantity:	12
Description:	High performance Yukon ring/pinion gear set for 10/down 10.5in. in a 4.30 .
Differential:	Ford 10.5, 08-10
Gear Ratio:	4.3
Mounting Hardware Included:	No
Part Number:	yukYG F10.5-430-31
Pinion Spline Count:	31
Position:	Rear
Ring Gear Bolt Quantity:	12
Ring Gear Outside Diameter:	10.5
Shims Included:	No
Title:	Yukon high performance ring & pinion set, '10 & down Ford 10.5", 4.30 ratio
WARNING CA Proposition 65 Required:	No
WARNING CA Proposition 65:	No

Data: v4.2 - Upd: 2026-10-14 20:08:12

Features

Specifications

AAP Selling Package Quantity UOM:

EA

AAP_UDA_12:

EA

AAP_UDA_22:

1

Axle Model:

Ford 10.5

Axle Type:

Ford 10.5 in.

California Proposition 65:

Not Applicable

Cover Bolt Quantity:

12

Description:

High performance Yukon ring/pinion gear set for 10/down 10.5in. in a 4.30 .

Differential:

Ford 10.5, 08-10

Gear Ratio:

4.3

Mounting Hardware Included:

No

Part Number:

yukYG F10.5-430-31

Pinion Spline Count:

31

Position:

Rear

Ring Gear Bolt Quantity:

12

Ring Gear Outside Diameter:

10.5

Shims Included:

No

Title:

Yukon high performance ring & pinion set, '10 & down Ford 10.5", 4.30 ratio

WARNING CA Proposition 65 Required:

No

WARNING CA Proposition 65:

No

Compatibility