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Yukon Gear & Axle Ring and Pinion Sets YG GM8.5-456 Gear, 4.56 Ratio, GM, 8.5 in./8.6 in., Set

SKU: YUKGM8.5-456

Ring and Pinion Gears

Yukon Gear & Axle Ring and Pinion Sets YG GM8.5-456 Gear, 4.56 Ratio, GM, 8.5 in./8.6 in., Set

SKU: YUKGM8.5-456

Ring and Pinion Gears

Sale ends in Calculating...

A$1,068.44 A$1,101.47
IN STOCK! Est Ship 4-7 days. In stock at 1 location (8 available)

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Description

Exclusive Yukon Gear & Axle flash sale discount at StreetFX!

Talk about timing! This is a limited offer while stocks last on various Yukon Gear & Axle part numbers. There's never been a better time to buy your Yukon Gear & Axle upgrades, so what are you waiting for?!

This item is currently on sale!

Same-day payment required to secure promotional price. Promotions may end early or be extended based on stock levels or other factors.

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

Application Summary

8.5" GM 4.56 R&P ( USE OEM w/abs 4 IMPLA+CAPRICE)(NO ABS PROVISION)

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
• GM 8.5 in.; 4.56 Ratio~GM 8.5 and 8.6 in.; 10 Bolt; Ring and Pinion Set; 4.56 Ratio GM 8.5 in.; 4.56 Ratio GM 8.5 & 8.6 in.; 10 Bolt; Ring and Pinion Set; 4.56 Ratio 8.5 in./8.6 in. 10 Bolt; 4.56 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.


Data: v2 - Desc: v4.2 - Upd: 2026-11-08 20:23:51

Data: v4.2 - Upd: 2026-11-11 11:10:32

Features

4.56 ratio

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

AAP Selling Package Quantity UOM:EA
Package UOMEA
Package Qty1
Axle Model:GM 8.5 & GM 8.6
Axle Type:Semi Float
Cover Bolt Quantity:10
Description:High performance Yukon Ring/Pinion gear set for GM 8.5in./8.6in. in a 4.56 ratio
Differential:GM 8.6 Rear, 99-08
Gear Ratio:4.56
Mounting Hardware Included:No
Nested Gear Family:Yes
Part Number:yukYG GM8.5-456
Pinion Spline Count:30
Position:Front or Rear
Ring Gear Bolt Quantity:10
Ring Gear Outside Diameter:8.5
Shims Included:No
Title:High performance Yukon Ring & Pinion gear set for GM 8.5" & 8.6" in a 4.56 ratio

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 yukGM8.5-456
SFX Item ID 4787870
Accounting SKU yuk-GM8.5-456
Manufacturer SKU GM8.5-456
Manufacturer UPC 883584241614
Alternative References YGA-24161

Ring & Pinion Gear, 4.56 Ratio, GM, 8.5 in./8.6 in., Set

Yukon Gear & Axle ring and pinion sets are strong but quiet performers. Designed to handle some of the harshest conditions, these sets utilize the latest design and manufacturing technologies to afford you a smooth running gear that's durable and easy to set up. Yukon ring and pinions are available in hundreds of size, ratio, and axle model options. Whether you're on the street, off-road, or at the track, you'll experience unrivaled power and gear performance. Order the model recommended for your application.

Product Attributes
BrandYukon Gear & Axle
Manufacturer's Part NumberYG GM8.5-456
Part TypeRing and Pinion Gears
Product LineYukon Gear & Axle Ring and Pinion Sets
UPC883584241614
Differential Case Design TypeGM 8.5/8.6 in.
Ring and Pinion Ratio4.56:1
Cover Bolts10
Ring Gear Bolts10
Pinion Spline Count30
Ring Gear RotationStandard
Ring Gear Teeth41
Pinion Gear Teeth9
Ring Gear Diameter (in.)8.500 in.
Pinion Shaft Diameter (in.)1.626 in.
Installation Kit IncludedNo
Cover Gasket IncludedNo
Pinion Shims IncludedNo
Carrier Shims IncludedNo
Crush Sleeve IncludedNo
Pinion Seal IncludedNo
Pinion Nut IncludedNo
Ring Gear Bolts IncludedNo
Head Bearing IncludedNo
Tail Bearing IncludedNo
Carrier Bearings IncludedNo
Axle Seals IncludedNo
Axle Bearings IncludedNo
Differential Cover IncludedNo
Differential Oil IncludedNo
Friction Modifier IncludedNo
Installation DVD IncludedNo
QuantitySold as a set.
NotesMust use 2.73:1 or numerically higher ratio carrier.

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