49-0034-1 Richmond Gear, Differential Ring & Pinion, For GM 8.5/8.625 10-Bolt, Gear Ratio 3.90, 10-Bolt, 30 Spline, 11 Pinion & 43 Ring Tooth – Fits Multiple GM Cars, Trucks Replaces G885390, GM10-390
49-0034-1 Richmond Gear, Differential Ring & Pinion, For GM 8.5/8.625 10-Bolt, Gear Ratio 3.90, 10-Bolt, 30 Spline, 11 Pinion & 43 Ring Tooth – Fits Multiple GM Cars, Trucks Replaces G885390, GM10-390
49-0034-1 Richmond Gear, Differential Ring & Pinion, For GM 8.5/8.625 10-Bolt, Gear Ratio 3.90, 10-Bolt, 30 Spline, 11 Pinion & 43 Ring Tooth – Fits Multiple GM Cars, Trucks Replaces G885390, GM10-390
49-0034-1 Richmond Gear, Differential Ring & Pinion, For GM 8.5/8.625 10-Bolt, Gear Ratio 3.90, 10-Bolt, 30 Spline, 11 Pinion & 43 Ring Tooth – Fits Multiple GM Cars, Trucks Replaces G885390, GM10-390
49-0034-1 Richmond Gear, Differential Ring & Pinion, For GM 8.5/8.625 10-Bolt, Gear Ratio 3.90, 10-Bolt, 30 Spline, 11 Pinion & 43 Ring Tooth – Fits Multiple GM Cars, Trucks Replaces G885390, GM10-390
49-0034-1 Richmond Gear, Differential Ring & Pinion, For GM 8.5/8.625 10-Bolt, Gear Ratio 3.90, 10-Bolt, 30 Spline, 11 Pinion & 43 Ring Tooth – Fits Multiple GM Cars, Trucks Replaces G885390, GM10-390
49-0034-1 Richmond Gear, Differential Ring & Pinion, For GM 8.5/8.625 10-Bolt, Gear Ratio 3.90, 10-Bolt, 30 Spline, 11 Pinion & 43 Ring Tooth – Fits Multiple GM Cars, Trucks Replaces G885390, GM10-390
49-0034-1 Richmond Gear, Differential Ring & Pinion, For GM 8.5/8.625 10-Bolt, Gear Ratio 3.90, 10-Bolt, 30 Spline, 11 Pinion & 43 Ring Tooth – Fits Multiple GM Cars, Trucks Replaces G885390, GM10-390

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49-0034-1 Richmond Gear, Differential Ring & Pinion, For GM 8.5/8.625 10-Bolt, Gear Ratio 3.90, 10-Bolt, 30 Spline, 11 Pinion & 43 Ring Tooth – Fits Multiple GM Cars, Trucks Replaces G885390, GM10-390

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Brand : Richmond Gear/Motive Gear
Differential Ring & Pinion by Richmond Gear for GM 8.5/8.625 10-Bolt with 3.90 gear ratio.
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49-0034-1 Richmond Gear, Differential Ring & Pinion, For GM 8.5/8.625 10-Bolt, Gear Ratio 3.90, 10-Bolt, 30 Spline, 11 Pinion & 43 Ring Tooth – Fits Multiple GM Cars, Trucks Replaces G885390, GM10-390
49-0034-1 Richmond Gear, Differential Ring & Pinion, For GM 8.5/8.625 10-Bolt, Gear Ratio 3.90, 10-Bolt, 30 Spline, 11 Pinion & 43 Ring Tooth – Fits Multiple GM Cars, Trucks Replaces G885390, GM10-390
View Detail
Type
Differential Rings & Pinions
Title
49-0034-1 Richmond Gear, Differential Ring & Pinion, For GM 8.5/8.625 10-Bolt, Gear Ratio 3.90, 10-Bolt, 30 Spline, 11 Pinion & 43 Ring Tooth – Fits Multiple GM Cars, Trucks Replaces G885390, GM10-390
Price
$422.99 USD
Vendor
Richmond Gear/Motive Gear
Description
Richmond Gear 49-0034-1 Ring & Pinion Set – 3.90 Ratio designed for GM 8.5"/8.625" 10-bolt axles.The Richmond Gear 49-0034-1 ring and pinion set delivers exceptional strength, quiet operation, and long-lasting performance for street, off-road, or towing applications.Built from premium materials, this gear set ensures precise fitment and optimal durability under demanding conditions.

More about this item : 49-0034-1 Richmond Gear, Differential Ring & Pinion, For GM 8.5/8.625 10-Bolt, Gear Ratio 3.90, 10-Bolt, 30 Spline, 11 Pinion & 43 Ring Tooth – Fits Multiple GM Cars, Trucks Replaces G885390, GM10-390

Richmond Gear 49-0034-1 Ring & Pinion Set – 3.90 Ratio designed for GM 8.5"/8.625" 10-bolt axles.

The Richmond Gear 49-0034-1 ring and pinion set delivers exceptional strength, quiet operation, and long-lasting performance for street, off-road, or towing applications.

Built from premium materials, this gear set ensures precise fitment and optimal durability under demanding conditions.

49-0034-1 Richmond Gear, Differential Ring & Pinion, For GM 8.5/8.625 10-Bolt, Gear Ratio 3.90, 10-Bolt, 30 Spline, 11 Pinion & 43 Ring Tooth – Fits Multiple GM Cars, Trucks Replaces G885390, GM10-390
Key Features
  • 10-Bolt gear set with 3.90 ratio, features 11-tooth pinion and 43-tooth ring gear for optimal performance; precision engineered for GM 8.5"/8.625" axles in both front and rear applications
  • Includes ring gear and pinion gear set with 30 spline pinion shaft, designed for high strength and quiet operation under load; uses carrier for 2.73 & numerically higher ratios
  • Ring gear outside diameter: 8.5 inches; pinion shaft diameter: 1.626"; pinion spline count: 30; 10 ring gear bolt holes for secure installation
  • Includes 1 ring gear and 1 pinion gear; installation kit not included; designed for OE fitment and smooth, quiet operation under load
  • Backed by Richmond Gear's 2-year/100,000-mile warranty; trusted by racing professionals and off-road enthusiasts for consistent performance
  • Replaces OEM part numbers G885390 and GM10-390
Technical Specifications
  • Length : 15.0 lb
  • Width : 11.0 lb
  • Height : 5.25 lb
  • Weight : 18.4 lb
Product Identifiers
  • ASIN B003JBEU8U
  • UPC: 698231706015
Shipping Information
  • Ships From : United States
  • Brand : Richmond Gear/Motive Gear

Frequently Asked Questions About : 49-0034-1 Richmond Gear, Differential Ring & Pinion, For GM 8.5/8.625 10-Bolt, Gear Ratio 3.90, 10-Bolt, 30 Spline, 11 Pinion & 43 Ring Tooth – Fits Multiple GM Cars, Trucks Replaces G885390, GM10-390

01 What is the gear ratio of the Richmond Gear 49-0034-1?

The gear ratio is 3.90.

02 What type of axles does the Richmond Gear 49-0034-1 fit?

It fits GM 8.5"/8.625" 10-Bolt axles.

03 What is included in the Richmond Gear 49-0034-1 set?

The set includes 1 ring gear and 1 pinion gear.

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