3.73 Ratio Richmond - Street Gear Differential Ring and Pinion for 8.2 in (Dropout)

Richmond Gear ring and pinions are perfect for any vehicle where performance and durability matters. Made from first-run steel, never recycled material, Richmond ring and pinions handle the extreme torque from high horsepower engines. Extensive engineering, computer controlled heat treatment, superior strength, quality and the widest selection of racing gear ratios available, make Richmond Gear the clear winner! Winners Run Richmond!

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Part number: 49-0099-1

3.73 Ratio Richmond - Street Gear Differential Ring and Pinion for 8.2 in (Dropout)

Application notes:

  • For GM 8.2" 1955-1964 Car (10 Bolt)
  • 3.70 Ratio
  • 3.08 to 3.70 Ratio Carrier
Where to buy

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Buying Guide

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Richmond Gear Buying Guide

Specifications

Cover Bolt Quantity Dropout
Differential Carrier Break 3.08 to 3.70
Differential Case Design Type GM 8.2 (55-64)
Pinion Gear Tooth Quantity 10
Pinion Shaft Diameter 1.438 in
Pinion Spline Count 17
Ring & Pinion Gear Ratio 3.73
Ring Gear Bolt Quantity 10
Ring Gear Diameter 8.2 in
Ring Gear Material 8620 Steel
Ring Gear Rotation Standard
Ring Gear Tooth Quantity 37
Title Differential Ring and Pinion
Warranty Time 2 Years or 100,000 Miles

Vehicle Applications

  • 1955 – 1964 Chevrolet Bel Air
  • 1958 – 1964 Chevrolet Biscayne
  • 1962 – 1964 Chevrolet Chevy II
  • 1957 – 1962 Chevrolet Corvette
  • 1959 – 1960 Chevrolet El Camino
  • 1964 Chevrolet El Camino
  • 1958 – 1964 Chevrolet Impala
  • 1955 – 1961 Chevrolet Nomad
  • 1955 – 1957 Chevrolet One-Fifty Series
  • 1955 – 1957 Chevrolet Two-Ten Series
  • 1955 Nash Winslet