3.55 Ratio Richmond - Street Gear Differential Ring and Pinion for 8.2 in (10 Bolt)

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: 49-0082-1

3.55 Ratio Richmond - Street Gear Differential Ring and Pinion for 8.2 in (10 Bolt)

Application notes:

  • For GM 8.2" BOP (10 Bolt)
  • 3.55 Ratio
  • 3.08 Ratio Carrier and Higher
Where to buy

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Buying Guide

Search year, make and model to find applications for your vehicle.

Richmond Gear Buying Guide

Specifications

Cover Bolt Quantity 10
Differential Carrier Break 3.08 and Higher
Differential Case Design Type GM 8.2 (BOP)
Pinion Gear Tooth Quantity 11
Pinion Shaft Diameter 1.438 in
Pinion Spline Count 27
Ring & Pinion Gear Ratio 3.55
Ring Gear Bolt Quantity 10
Ring Gear Diameter 8.2 in
Ring Gear Material 8620 Steel
Ring Gear Rotation Standard
Ring Gear Tooth Quantity 39
Title Differential Ring and Pinion
Warranty Time 2 Years or 100,000 Miles

Vehicle Applications

  • 1964 – 1972 Buick Electra
  • 1970 – 1972 Buick GS
  • 1968 – 1969 Buick GS 350
  • 1968 – 1969 Buick GS 400
  • 1970 – 1972 Buick GS 455
  • 1965 – 1967 Buick Gran Sport
  • 1964 – 1972 Buick Skylark
  • 1964 – 1972 Buick Sportwagon
  • 1970 – 1972 Ford Royal
  • 1964 – 1967 Oldsmobile 442
  • 1964 – 1967 Oldsmobile Cutlass
  • 1967 Oldsmobile Cutlass Supreme
  • 1964 – 1967 Oldsmobile F85
  • 1965 – 1966 Oldsmobile Jetstar 88
  • 1965 Oldsmobile Jetstar I
  • 1964 – 1972 Pontiac Bonneville
  • 1964 – 1972 Pontiac Catalina
  • 1967 – 1972 Pontiac Firebird
  • 1964 – 1972 Pontiac GTO
  • 1964 – 1972 Pontiac Grand Prix
  • 1965 – 1972 Pontiac LeMans
  • 1964 – 1970 Pontiac Tempest