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_GM8.25-342R SFX Item ID 4489373 Accounting SKU yuk-YG_GM8.25-342R Manufacturer SKU YG GM8.25-342R Manufacturer UPC 883584244882 Alternative References yukYG GM8.25-342R

Yukon Gear High Performance Gear Set For GM 8.25in IFS Reverse Rotation in a 3.42 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 ring gear bolts
• 3.42 ratio
• 30 spline pinion
• 8.25 in. Ring Gear Diameter
• 8.25" ring gear diameter
• Fits 2013 And Down GM 8.25 in. IFS
• Fits 2013 and down GM 8.25" IFS

Product Details

AAP Selling Package Quantity UOM:	EA
Package UOM	EA
Package Qty	1
Axle Model:	GM 8.25 IFS
Axle Type:	IFS
Cover Bolt Quantity:	Dropout
Description:	High performance Yukon Ring/Pinion set GM 8.25in. IFS Rev rotation in a 3.42
Differential:	GM 8.25 IFS Front, 99-09
Gear Ratio:	3.42
Mounting Hardware Included:	No
Part Number:	yukYG GM8.25-342R
Pinion Spline Count:	30
Position:	Front
Ring Gear Bolt Quantity:	10
Ring Gear Outside Diameter:	8.25
Shims Included:	No
Title:	Yukon high performance ring & pinion set, GM 8.25" IFS reverse rotation, 3.42

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
• GM 8.25 in.; IFS; Reverse Rotation; 3.42 Ratio GM 8.25 in. Front; IFS; Reverse Rotation; Ring and Pinion Set; 3.42 Ratio; Fits 3.42 and Up Carrier Case~GM 8.25 in.; IFS; Reverse Rotation; 3.42 Ratio 8.25 in.; Reverse Rotation; 3.42 Ratio
• GM 8.25 in.; IFS; Reverse Rotation; 3.42 Ratio GM 8.25 in. Front; IFS; Reverse Rotation; Ring and Pinion Set; 3.42 Ratio; Fits 3.42 and Up Carrier Case
• GM 8.25 in.; IFS; Reverse Rotation; 3.42 Ratio~GM 8.25 in. Front; IFS; Reverse Rotation; Ring and Pinion Set; 3.42 Ratio; Fits 3.42 and Up Carrier Case 8.25 in. Ring Gear; 3.42 Ratio; Independent Front Suspension; Reverse Rotation; Fits 3.42 And Up Carrier Case
• GM 8.25 in. Front; IFS; Reverse Rotation; Ring and Pinion Set; 3.42 Ratio; Fits 3.42 and Up Carrier Case
• 8.25 in.; Reverse Rotation; 3.42 Ratio
• GM 8.25 in.; IFS; Reverse Rotation; 3.42 Ratio GM 8.25 in. Front; IFS; Reverse Rotation; Ring and Pinion Set; 3.42 Ratio; Fits 3.42 and Up Carrier Case~GM 8.25 in.; IFS; Reverse Rotation; 3.42 Ratio GM 8.25 in. Front; IFS; Reverse Rotation; Ring and Pinion Set; 3.42 Ratio; Fits 3.42 and Up Carrier Case 8.25 in.; Reverse Rotation; 3.42 Ratio
• GM 8.25 in.; IFS; Reverse Rotation; 3.42 Ratio~GM 8.25 in. Front; IFS; Reverse Rotation; Ring and Pinion Set; 3.42 Ratio; Fits 3.42 and Up Carrier Case GM 8.25 in. Front; IFS; Reverse Rotation; Ring and Pinion Set; 3.42 Ratio; Fits 3.42 and Up Carrier Case 8.25 in. Ring Gear; 3.42 Ratio; Independent Front Suspension; Reverse Rotation; Fits 3.42 And Up Carrier Case
• GM 8.25 in.; IFS; Reverse Rotation; 3.42 Ratio~GM 8.25 in. Front; IFS; Reverse Rotation; Ring and Pinion Set; 3.42 Ratio; Fits 3.42 and Up Carrier Case GM 8.25 in.; IFS; Reverse Rotation; 3.42 Ratio GM 8.25 in. Front; IFS; Reverse Rotation; Ring and Pinion Set; 3.42 Ratio; Fits 3.42 and Up Carrier Case 8.25 in. Ring Gear; 3.42 Ratio; Independent Front Suspension; Reverse Rotation; Fits 3.42 And Up Carrier Case
• GM 8.25 in.; IFS; Reverse Rotation; 3.42 Ratio 8.25 in.; Reverse Rotation; 3.42 Ratio
• GM 8.25 in.; IFS; Reverse Rotation; 3.42 Ratio~GM 8.25 in. Front; IFS; Reverse Rotation; Ring and Pinion Set; 3.42 Ratio; Fits 3.42 and Up Carrier Case GM 8.25 in.; IFS; Reverse Rotation; 3.42 Ratio GM 8.25 in. Front; IFS; Reverse Rotation; Ring and Pinion Set; 3.42 Ratio; Fits 3.42 and Up Carrier Case 8.25 in.; Reverse Rotation; 3.42 Ratio
• GM 8.25 in.; IFS; Reverse Rotation; 3.42 Ratio~GM 8.25 in. Front; IFS; Reverse Rotation; Ring and Pinion Set; 3.42 Ratio; Fits 3.42 and Up Carrier Case GM 8.25 in.; IFS; Reverse Rotation; 3.42 Ratio 8.25 in.; Reverse Rotation; 3.42 Ratio 8.25 in. Ring Gear; 3.42 Ratio; Independent Front Suspension; Reverse Rotation; Fits 3.42 And Up Carrier Case
• GM 8.25 in.; IFS; Reverse Rotation; 3.42 Ratio GM 8.25 in. Front; IFS; Reverse Rotation; Ring and Pin
• GM 8.25 in.; IFS; Reverse Rotation; 3.42 Ratio~GM 8.25 in. Front; IFS; Reverse Rotation; Ring and Pinion Set; 3.42 Ratio; Fit
• GM 8.25 in.; IFS; Reverse Rotation; 3.42 Ratio~GM 8.25 in. Front; IFS; Reverse Rotation; Ring and Pinion Set; 3.42 Ratio; Fits 3.42 and Up Carrier Case GM 8.25 in. Front; IFS; Re
• GM 8.25 in. Front; IFS; Reverse Rotation; Ring and Pinion Set; 3.42 Ratio;
• GM 8.25 in.; IFS; Reverse Rotation; 3.42 Ratio~GM 8.25 in. Front; IFS; Reverse Rotation; Ring and Pinion Set; 3.42 Ratio; Fits 3.42 and Up Carrier Case GM 8.25 in. Front; IFS; Reverse Rotation; Ring and Pinion Set; 3.42 Ratio; Fits 3.42 and Up Carrier Case 8.25 in. Ring Gear;
• GM 8.25 in.; IFS; Reverse Rotation; 3.42 Ratio~GM 8.25 in. Front; IFS; Reverse Rotation; Ring and Pinion Set; 3.42 Ratio; Fits 3.42 and Up Carrier Case GM 8.25 in.; IFS; Reverse Rotation; 3.42 Ratio 8.25 in.; Reverse Rotation; 3.42 Ratio 8.25 in. Ring Gear;
• GM 8.25 in.; IFS; Reverse Rotation; 3.42 Ratio 8.25 in. Ring Gear; 3.42 Ratio; Independent Front Suspension; Reverse Rotation; Fits 3.42 And Up Carrier Case
• GM 8.25 in.; IFS; Reverse Rotation; 3.42 Ratio
• GM 8.25 in.; IFS; Reverse Rotation; 3.42 Ratio~GM 8.25 in. Front; IFS; Reverse Rotation; Ring and Pinion Set; 3.42 Ratio; Fits 3.42 and Up Carrier Case GM 8.25 in.; IFS; Reverse Rotation; 3.42 Ratio GM
• GM 8.25 in.; IFS; Reverse Rotation; 3.42 Ratio~GM 8.25 in. Front; IFS; Reverse Rotation; Ring and Pinion Set; 3.42 Ratio; Fits 3.42 and Up Carrier Case GM 8.25 in.; IFS; Reverse Rotation; 3.42 Ratio GM 8.25 in. Front; IFS; Reverse Rotation; Ring and Pinion Set; 3.42 Ratio; Fits 3.42 and Up Carrier Case 8.25 in. Ring Gear; 3.42 Ratio; Independent Front Suspension; Reverse Rotation; Fi

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: 2026-10-14 05:11:07

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 2013 And Down GM 8.25 in. IFS
• 3.42 ratio
• Fits 2013 and down GM 8.25" IFS
• 8.25" ring gear diameter
• 30 spline pinion
• 10 ring gear bolts
• 8.25 in. Ring Gear Diameter

Product Details

AAP Selling Package Quantity UOM:	EA
AAP_UDA_12:	EA
AAP_UDA_22:	1
Axle Model:	GM 8.25 IFS
Axle Type:	IFS
California Proposition 65:	Not Applicable
Cover Bolt Quantity:	Dropout
Description:	High performance Yukon Ring/Pinion set GM 8.25in. IFS Rev rotation in a 3.42
Differential:	GM 8.25 IFS Front, 99-09
Gear Ratio:	3.42
Mounting Hardware Included:	No
Part Number:	yukYG GM8.25-342R
Pinion Spline Count:	30
Position:	Front
Ring Gear Bolt Quantity:	10
Ring Gear Outside Diameter:	8.25
Shims Included:	No
Title:	Yukon high performance ring & pinion set, GM 8.25" IFS reverse rotation, 3.42
WARNING CA Proposition 65 Required:	No
WARNING CA Proposition 65:	No

Data: v4.2 - Upd: 2026-10-14 05:11:07

Features

Specifications

AAP Selling Package Quantity UOM:

EA

AAP_UDA_12:

EA

AAP_UDA_22:

1

Axle Model:

GM 8.25 IFS

Axle Type:

IFS

California Proposition 65:

Not Applicable

Cover Bolt Quantity:

Dropout

Description:

High performance Yukon Ring/Pinion set GM 8.25in. IFS Rev rotation in a 3.42

Differential:

GM 8.25 IFS Front, 99-09

Gear Ratio:

3.42

Mounting Hardware Included:

No

Part Number:

yukYG GM8.25-342R

Pinion Spline Count:

30

Position:

Front

Ring Gear Bolt Quantity:

10

Ring Gear Outside Diameter:

8.25

Shims Included:

No

Title:

Yukon high performance ring & pinion set, GM 8.25" IFS reverse rotation, 3.42

WARNING CA Proposition 65 Required:

No

WARNING CA Proposition 65:

No

Compatibility