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Yukon Gear High Performance Yukon Ring & Pinion Gear Set for Toyota Clamshell Front Axle 3.91 Ratio

SKU: YUKYG_TLCF-391R-CS

Differential Ring and Pinion

YUK Gear Sets - Toyota...

Yukon Gear High Performance Yukon Ring & Pinion Gear Set for Toyota Clamshell Front Axle 3.91 Ratio

SKU: YUKYG_TLCF-391R-CS

Differential Ring and Pinion

YUK Gear Sets - Toyota...

A$978.84
Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.

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Description

Yukon Gear High Performance Yukon Ring & Pinion Gear Set for Toyota Clamshell Front Axle 3.91 Ratio

Yukon Ring and Pinion sets give you the confidence of knowing you're running gears designed for the harshest of conditions. Whether it's on the street, off-road, or at the track; Yukon Ring and Pinion sets deliver unrivaled performance & quality. Yukon us

Additional Information

Toyota 8in. Reverse Front 3.91 Ring/Pinion (CLAMSHL Design ONLY-fits3.91/UP carrier) .

Application Summary

TOY 8in. REV FRNT 3.91 R/P (CLAMSHL DSGN ONLY-fits3.91/UP carrier)

Part Type

Differential Ring and Pinion

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
• Toyota 8 in. Front; IFS Clamshell; Reverse Rotation; Ring and Pinion Set; 3.91 Ratio; 29 Spline Pinion; Fits 3.91 & Up Carrier Toyota 8 in. ; Front ; 3.91 Gear Ratio; 10 Bolts
• Toyota 8 in.; IFS Clamshell; SD20B; Reverse Rotation; 3.91 Ratio~Toyota 8 in. Front; IFS Clamshell; Reverse Rotation; Ring and Pinion Set; 3.91 Ratio; 29 Spline Pinion; Fits 3.91 & Up Carrier Toyota 8 in. Front; IFS Clamshell; Reverse Rotation; Ring and Pinion Set; 3.91 Ratio; 29 Spline Pinion; Fits 3.91 & Up Carrier Toyota 8 in. ; Front ; 3.91 Gear Ratio; 10 Bolts
• Toyota 8 in.; IFS Clamshell; SD20B; Reverse Rotation; 3.91 Ratio
• Toyota 8 in. Front; IFS Clamshell; Reverse Rotation; Ring and Pinion Set; 3.91 Ratio; 29 Spline Pinion; Fits 3.91 & Up Carrier~Toyota 8 in.; IFS Clamshell; SD20B; Reverse Rotation; 3.91 Ratio Toyota 8 in. Front; IFS Clamshell; Reverse Rotation; Ring and Pinion Set; 3.91 Ratio; 29 Spline Pinion; Fits 3.91 & Up Carrier
• Toyota 8 in. Front; IFS Clamshell; Reverse Rotation; Ring and Pinion Set; 3.91 Ratio; 29 Spline Pinion; Fits 3.91 & Up Carrier
• Toyota 8 in.; IFS Clamshell; SD20B; Reverse Rotation; 3.91 Ratio~Toyota 8 in. Front; IFS Clamshell; Reverse Rotation; Ring and Pinion Set; 3.91 Ratio; 29 Spline Pinion; Fits 3.91 & Up Carrier Toyota 8 in.; IFS Clamshell; SD20B; Reverse Rotation; 3.91 Ratio Toyota 8 in. ; Front ; 3.91 Gear Ratio; 10 Bolts
• Toyota 8 in. ; Front ; 3.91 Gear Ratio; 10 Bolts

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.

Data: v4.2 - Upd: 2026-11-09 12:42:54

Features

  • 10 Ring Gear Bolts

Note for Pistons, Rings, Rotors, Rods and engine internals

Unless otherwise specified, some brands supply brake rotors, pistons, strut mounts, rods and rings separately. In some cases, titles may indicate plural, or 'set' - eg the term “ring set” often refers to the rings for a single piston only. If you’re unsure about what’s included with this product, please contact our team for clarification.

(keyword: ring)

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.

Specifications

Product Details

Axle Model:Toyota 8.0 IFS Clamshell Front SD20B
Axle Type:Semi Float
Cover Bolt Quantity:Dropout
Description:High performance Yukon Ring/Pinion set for Toyota Clamshell Front Axle; 3.91
Differential:Toyota 8 IFS Clamshell Front SD20B
Gear Ratio:3.91
Mounting Hardware Included:No
Part Number:yukYG TLCF-391R-CS
Pinion Spline Count:29
Ring Gear Bolt Quantity:10
Ring Gear Outside Diameter:8
Shims Included:No
Title:Yukon high performance ring & pinion set, Toyota Clamshell, front, 3.91 ratio

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: 2026-11-08 12:37:29

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_TLCF-391R-CS
SFX Item ID 4491857
Accounting SKU yuk-YG_TLCF-391R-CS
Manufacturer SKU YG TLCF-391R-CS
Manufacturer UPC 883584246787
Alternative References yukYG TLCF-391R-CS

Compatibility

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