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Yukon Gear & Axle High Performance Ring & Pinion Gear Set for GM 8.5/8.6 Differential (YG GM8.5-373)

Yukon Gear & Axle High Performance Ring & Pinion Gear Set for GM 8.5/8.6 Differential (YG GM8.5-373)

Q: What install kit do I need for a 92 Chevy C1500?

You will more than likely need the GM 3.73 Ratio/ GM 8.5” gear set. You have a 2wd so the ratio doesn’t matter a bunch, 3.73 is the most common. I changed all the internals of my 98 with these parts. They really didnt change em much throughout the years. Make sure you get 2 sets of new pinion bearings (1 set, inner races bored out to slide on and off easy for test fits, and 1 set for the actual final fit.) take your time and be very thorough. Look up EricTheCarGuy on youtube, he does an excellent video of exactly what you’re doing. Hope this helps.

Q: Tengo una Chevrolet Silverado Ltz 4x4 z71 2014 5.3 tengo rines 37x13.50x26 me sirbe o cual me recomiendan

for a 38" tire, id recommend 4.88 gears

Q: what ring and pinion do I need for a 57 Chevy 3.08 gears?

You need to know what rear or front end you have. For instance a Ford 9” or a Gm 8.8” there are quite a few different ones out there then match whatever ratio was stock or there is a lot of options depending on what you would like the rig to do hope that helps

Q: I called them this morning they said its a 8.5 axel and 10 bolt

This would be correct for your application then for a 3.73 ratio

Product ID: 229986073

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🔩10 ring gear bolts for max strength

⚙️3.73 gear ratio precision

🛠️30 spline pinion for durability

Frequently Bought Together

Yukon Gear & Axle High Performance Ring & Pinion Gear Set for GM 8.5/8.6 Differential (YG GM8.5-373)

Yukon Master Overhaul Kit for 1999-2008 GM 8.6" Differential

Yukon Gear & Axle Dura Grip Limited Slip Differential Positraction, 30 Spline, 2.73-Up, Compatible with 8.5"/8.6" GM Axle, YDGGM8.5-3-30-1

Description

⚙️ Upgrade your ride with Yukon — where power meets precision!

BUILT TO ENDURE - High-grade steel construction with 10 ring gear bolts ensures unmatched strength under extreme torque and heavy loads.
RACE READY PRECISION - Optimized 3.73 ratio delivers perfect balance of power and efficiency for street, off-road, or track dominance.
PLUG PLAY CONFIDENCE - Designed to OEM specs with ABS provision on pinion for seamless fitment in GM 8.5/8.6 differentials—easy setup, zero guesswork.
PROVEN QUALITY ASSURANCE - Backed by rigorous in-house testing and a 1-year warranty, so you can push limits knowing Yukon’s got your back.
SMOOTH SILENT OPERATION - Advanced gear tooth surface finish reduces friction and heat, giving you whisper-quiet performance even in the harshest conditions.

The Yukon Gear & Axle High Performance Ring & Pinion Gear Set (3.73 ratio) is engineered for GM 8.5 and 8.6 differentials, featuring a durable 30 spline pinion, 10 ring gear bolts, and an 8.50" ring gear diameter. Crafted from high-grade steel with advanced surface finishing, it ensures quiet, efficient operation under extreme conditions. Designed to OEM specs with ABS provision, this gear set offers easy installation and is backed by a one-year warranty, making it the ultimate choice for professionals demanding reliability and performance on street, off-road, or track.

Specifications

Manufacturer	Yukon Gear
Brand	Yukon Gear & Axle
Model	High Performance GM 8.5 & 8.6 Ring & Pinion Gear Set 3.73 Ratio
Product Dimensions	40.64 x 30.48 x 15.24 cm; 8.03 kg
Item model number	YG GM8.5-373
Exterior	Machined
Manufacturer part number	YG GM8.5-373
OEM Part Number	YGGM8.5373
Special Features	10 ring gear bolts, 3.73 ratio, 30 spline pinion, 8.50" ring gear diameter, All Yukon ring and pinion sets come standard with a one-year, Compatible Differentials: GM 8.5" Rear 28 Spline, GM 8.5" Rear 30 Spline, GM 8.5" Front 28 Spline, GM 8.5" Front 30 Spline, GM 8.6" Rear, '99-'08, GM 8.6" Rear, '09 & up, Fits GM 8.5" and 8.6", This gear set does have an ABS provision on the pinion; This product is used in a 3.73 ratio, Whether it’s on the street, off-road, or at the track; Yukon ring and pinion sets deliver unrivaled performance and quality, Yukon Ring and Pinion sets give you the confidence of knowing you’re running gears designed for the harshest of conditions, Yukon uses the latest designs and manufacturing technologies to provide a quiet running gear that is strong and easy to set up
Item Weight	8.03 kg

Have a Question? See What Others Asked

What install kit do I need for a 92 Chevy C1500?

Tengo una Chevrolet Silverado Ltz 4x4 z71 2014 5.3 tengo rines 37x13.50x26 me sirbe o cual me recomiendan

what ring and pinion do I need for a 57 Chevy 3.08 gears?

I called them this morning they said its a 8.5 axel and 10 bolt

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