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Richmond Gear 4900961 Ring and Pinion Gear Set 3.73 Ratio GM 8.875" 12-Bolt

(Chevrolet Camaro 1967-72, Impala 1965-72, Malibu 1965-67, Chevelle 1964-73, Caprice 1966-72, El Camino 1965-73, Monte Carlo 1970-72 + 42 more models)

Part of: Richmond Gear Excel Differential Ring and Pinion Set

Other options in this family: Richmond Gear F9411 Richmond Gear F88410 Richmond Gear 4900391 Richmond Gear 12BC373T Richmond Gear 6903041

Manufacturer

Picture for manufacturer Richmond Gear

Part Number

4900961
4 reviews
Sale Price

$424.16

3 left at this price

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Usually delivered within 2 days

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Product Details

The Richmond Gear 4900961 is a high-performance ring and pinion gear set designed for GM 8.875-inch 12-bolt rear axles. This gear set features a 3.73:1 ratio, providing an excellent balance between acceleration and fuel economy for street-driven vehicles.

Key Features:

  • 3.73:1 gear ratio for improved acceleration and performance
  • Fits GM 8.875-inch (12-bolt) rear differentials
  • Precision-machined from high-quality steel for durability
  • Heat-treated gears for maximum strength and longevity
  • Designed for street use and daily driving applications
  • Manufactured to OE specifications for proper fitment

Richmond Gear is a trusted name in drivetrain components, offering professionally engineered gear sets that deliver reliable performance. This ring and pinion set is ideal for enthusiasts looking to optimize their vehicle's gear ratio for better off-the-line performance while maintaining street drivability.

Products specifications

Fits

Chevrolet Camaro 1967-72, Impala 1965-72, Malibu 1965-67, Chevelle 1964-73, Caprice 1966-72, El Camino 1965-73, Monte Carlo 1970-72, Nova 1964-67, 1969-72, Chevy II 1964-68, Bel Air 1965-70; Pontiac GTO 1965-72, Firebird 1967-72 + 37 more models

Calculator

Gear Ratio Calculator

Carrier Series

4

Cover Bolts

12

Installation Kit Included

No

Notes

3.90:1 or numerically higher carrier.

Pinion Gear Teeth

11

Pinion Shaft Diameter (in)

1.625 in.

Pinion Spline Count

30

Quantity

Sold as a set.

Ring and Pinion Ratio

3.73:1

Ring Gear Bolts

12

Ring Gear Diameter (in)

8.875 in.

Ring Gear Rotation

Standard

Ring Gear Teeth

41

Tool

Transmission Lookup

Cover Bolt Quantity

12

Ring Gear Bolt Quantity

12

Pinion Shaft Diameter

1.625

Ring Gear Diameter

8.875

Ring Gear Material

8620 Steel

Pinion Gear Tooth Quantity

11

Ring Gear Tooth Quantity

41

Differential Carrier Break

3.90 and Higher

Ring and Pinion Gear Ratio

3.73

Differential Case Design Type

GM 8.875 Car

Position

Rear

Prop 65

WARNING: Cancer - www.p65warnings.ca.gov

Best prices, fast shipping, good service. Thank you!

Fast shipping, Good communication, Highly recommended.!!!

Great prices and shipped promptly.

Great alternative!

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