Richmond Gear 79-0072-1 Pro Gear Ring and Pinion Gear Set for GM 8.875" Car in 4.56 Ratio with 12 Bolt Compatible with Impala '65-72', Camaro '67-72'

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Management number 212855349 Release Date 2026/04/12 List Price US$123.88 Model Number 212855349
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Richmond Gear RP GM 8.875" 4.56 CAR PRO GEARBrand: Richmond GearPart Number: 82-0510-1, 82-0511-1, G988456Product Overview:The Richmond Gear RP GM 8.875" 4.56 CAR PRO GEAR is designed to provide high-performance gear ratios for your GM 8.875" differential. With a durable build and optimized for strength, it is a perfect choice for your classic GM vehicle restoration or performance enhancement project.Key Specifications:Cover Bolt Quantity: 12Differential Carrier Break: 3.90 Ratio and HigherDifferential Model: GM 8.875 CarGear Ratio: 4.56Pinion Gear Tooth Quantity: 9Pinion Shaft Diameter: 1.625 InchPinion Spline Count: 30Ring Gear Bolt Quantity: 12Ring Gear Material: 9310 SteelRing Gear Outside Diameter: 8.875 InchRing Gear Rotation: StandardRing Gear Tooth Quantity: 41Taxonomy Information:LD DifferentialRing and PinionRear4.56Applications:This Richmond Gear Pro Gear is compatible with various GM vehicles equipped with the GM 8.875" differential. Some of the applications include:1971-1972 Buick Centurion1965-1972 Buick Electra1971-1972 Buick Estate Wagon1965-1967 Buick Gran Sport1970-1972 Buick GS1968-1969 Buick GS 3501968-1969 Buick GS 4001970-1972 Buick GS 4551971-1972 Buick LeSabre1971-1972 Buick Skylark1965-1969 Buick Special1964-1972 Buick Sportwagon1965-1970 Chevrolet Bel Air1967-1972 Chevrolet Camaro1966-1972 Chevrolet Caprice1964-1973 Chevrolet Chevelle1965-1968 Chevrolet Chevy II1965-1972 Chevrolet El Camino1965-1972 Chevrolet Impala1965-1967 Chevrolet Malibu1970-1972 Chevrolet Monte Carlo1969-1972 Chevrolet Nova1971-1972 GMC Sprint1971-1971 Oldsmobile 4421965-1972 Oldsmobile 981971-1972 Oldsmobile Cutlass1971-1972 Oldsmobile Cutlass Supreme1967-1968 Oldsmobile Delmont 881965-1972 Oldsmobile Delta 881965-1972 Oldsmobile F851965-1966 Oldsmobile Jetstar 881965-1965 Oldsmobile Jetstar I1965-1966 Oldsmobile Starfire1967-1972 Oldsmobile Vista Cruiser1965-1971 Pontiac Acadian1965-1969 Pontiac Beaumont1965-1972 Pontiac Bonneville1965-1972 Pontiac Catalina1967-1970 Pontiac Executive1967-1972 Pontiac Firebird1970-1972 Pontiac Grand Prix1971-1972 Pontiac Grand Safari1971-1972 Pontiac Grandville1965-1972 Pontiac GTO1965-1972 Pontiac Laurentian1965-1972 Pontiac LeMans1965-1972 Pontiac Parisienne1965-1970 Pontiac Strato-Chief1970-1970 Pontiac TempestReplaces:Richmond Gear: 82-0510-1Richmond Gear: 82-0511-1Motive Gear: G988456Important Installation Notes:Ensure you have the correct carrier for this gear set. It requires a 4.10 and numerically higher ratio carrier for proper installation.Warranty:Warranty Period: 2 Years or 100,000 MilesWhy Choose Richmond Gear?Richmond Gear is a trusted name in the automotive industry, known for producing high-quality gear sets designed to deliver reliable performance and durability. This GM 8.875" 4.56 CAR PRO GEAR is no exception, providing superior strength and longevity for your vehicle.

  • Gear Set: Richmond Gear 79-0072-1 features a 4.56 gear ratio, designed for GM 8.875" 12 Bolt differentials, providing superior performance and durability.
  • Precision Engineered Components: Includes 9310 Stainless steel ring gear (41 teeth) and 9-tooth pinion, offering strength and reliability for high-performance applications.
  • Compatible with GM Impala (65-72): Perfectly fits GM 8.875" 12 Bolt differentials, and is designed for Impala models from 1965 to 1972.
  • Durable and Strong Build: The 1.625" pinion shaft diameter, 30-spline pinion, and 12-ring gear bolts ensure a secure, robust installation for enhanced performance.
  • Warranty & Compatibility: Backed by a 2-year or 100,000-mile warranty, this gear set is compatible with a 3.90 or higher ratio differential carrier for a smooth, upgraded driving experience.
Brand Richmond
Model 79-0072-1
Exterior Machined
Item Weight 14.75 pounds
Manufacturer Richmond Gear
OEM Part Number 79-0072-1
Item model number 79-0072-1
Manufacturer Part Number 79-0072-1

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