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Richmond Gear 4900111 Ring and Pinion Set 3.08:1 Ratio GM 8.2 10-Bolt

(Chevrolet Camaro 1967-70, Impala 1964-72, Malibu 1964-67, Chevelle 1964-72, Caprice 1966-71, El Camino 1964-73, Monte Carlo 1970-72 + 11 more models)

Manufacturer

Part Number

4900111
Sale Price

$379.50

In Stock (5)

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Usually delivered within 2 days

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No Hassle Returns

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Fitment guaranteed

Fitment guaranteed

Product Details

The Richmond Gear 4900111 is a high-performance ring and pinion set featuring a 3.08:1 gear ratio designed for GM 8.2-inch 10-bolt differentials. Built for street performance applications, this precision-engineered gear set delivers reliable power transfer and improved acceleration characteristics for your GM vehicle.

Key Features:

  • Complete ring and pinion set sold as a matched pair
  • Computer-controlled manufacturing with precision tolerances of 1/1000th of an inch
  • Ground pinion threads for trouble-free installation
  • Special heat treatment for improved strength and durability
  • Engineered to meet or exceed OEM specifications

Important Installation Note: This gear set only fits 3.08:1 or numerically higher carriers. Professional installation with proper setup and break-in procedures is strongly recommended to ensure optimal performance and longevity.

Richmond Gear has earned its reputation through years of racing development, outstanding design, and state-of-the-art manufacturing methods. Whether you're building a weekend cruiser or a performance street machine, this gear set delivers the quality and precision that Richmond Gear is known for in professional racing circles.

Products specifications

Fits

Chevrolet Camaro 1967-70, Impala 1964-72, Malibu 1964-67, Chevelle 1964-72, Caprice 1966-71, El Camino 1964-73, Monte Carlo 1970-72, Nova 1964-67, 1969-72, Chevy II 1964-68, Bel Air 1964-72, Biscayne 1964-72, Brookwood 1969-72 + 6 more models

Calculator

Gear Ratio Calculator

Carrier Series

3

Cover Bolts

10

Installation Kit Included

No

Notes

3.08:1 or numerically higher carrier.

Pinion Gear Teeth

12

Pinion Shaft Diameter (in)

1.438 in.

Pinion Spline Count

25

Quantity

Sold as a set.

Ring and Pinion Ratio

3.08:1

Ring Gear Bolts

10

Ring Gear Diameter (in)

8.200 in.

Ring Gear Rotation

Standard

Ring Gear Teeth

37

Tool

Transmission Lookup

Pinion Shaft Diameter

1.438

Ring and Pinion Gear Ratio

3.08

Ring Gear Tooth Quantity

37

Cover Bolt Quantity

10

Ring Gear Material

8620 Steel

Ring Gear Bolt Quantity

10

Differential Case Design Type

GM 8.2

Differential Carrier Break

3.08 and Higher

Ring Gear Diameter

8.2

Pinion Gear Tooth Quantity

12

Prop 65

WARNING: Cancer - www.p65warnings.ca.gov

Position

Rear

Autoplicity was great, I ordered my springs late Monday night and I received a shipment order confirmation number early Wednesday. So basically 1 business day and my order was out the door, pretty impressive. Can't wait 'till it gets here! Thanks Autoplicity!

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When I registered, a prompt was given stating that if I provided my email for Newsletters, I would get an instant discount. I did not see any additional savings when I checked out.

Easy to use website. The belts I ordered didn't have a picture but I knwew what I was looking for.

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