Richmond Gear 79-0064-1 Pro Gear Ring and Pinion Gear Set for GM 8.875" Car in 4.88 Ratio with 12 Bolt Replaces OE Aftermarket 988488 Compatible with Impala '65-72'

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Management number 228389913 Release Date 2026/05/31 List Price $172.60 Model Number 228389913
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Richmond Gear RP GM 8.875" 4.88 CAR PRO GEAR - Compatible with GM 8.875" DifferentialUpgrade your vehicle’s drivetrain with the Richmond Gear RP GM 8.875" 4.88 CAR PRO GEAR, a high-performance gear set designed for GM 8.875" rear differentials. This gear set features a durable 9310 steel construction for enhanced strength and longevity, ensuring a reliable performance in both street and performance applications.Key Features:Gear Ratio: 4.88Pinion Shaft Diameter: 1.625 inchesPinion Spline Count: 30Ring Gear Outside Diameter: 8.875 inchesRing Gear Tooth Quantity: 39 teethCover Bolt Quantity: 12 boltsRing Gear Material: 9310 SteelWarranty: 2 years or 100,000 milesDifferential Carrier Break: 3.90 ratio and higher required for compatibilityApplications:This Richmond Gear set is compatible with a variety of GM vehicles, including:Buick: 1971-1972 Centurion, 1965-1972 Electra, 1971-1972 Estate Wagon, 1965-1967 Gran Sport, 1970-1972 GS, 1968-1969 GS 350, 1968-1969 GS 400, 1970-1972 GS 455, 1971-1972 LeSabre, 1971-1972 Skylark, 1965-1969 Special, 1964-1972 SportwagonChevrolet: 1965-1970 Bel Air, 1967-1972 Camaro, 1966-1972 Caprice, 1964-1973 Chevelle, 1965-1968 Chevy II, 1965-1972 El Camino, 1965-1972 Impala, 1965-1967 Malibu, 1970-1972 Monte Carlo, 1969-1972 NovaGMC: 1971-1972 SprintOldsmobile: 1971-1971 442, 1965-1972 98, 1971-1972 Cutlass, 1971-1972 Cutlass Supreme, 1967-1968 Delmont 88, 1965-1972 Delta 88, 1965-1972 F85, 1965-1966 Jetstar 88, 1965-1965 Jetstar I, 1965-1966 Starfire, 1967-1972 Vista CruiserPontiac: 1965-1971 Acadian, 1965-1969 Beaumont, 1965-1972 Bonneville, 1965-1972 Catalina, 1967-1970 Executive, 1967-1972 Firebird, 1970-1972 Grand Prix, 1971-1972 Grand Safari, 1971-1972 Grandville, 1965-1972 GTO, 1965-1972 Laurentian, 1965-1972 LeMans, 1965-1972 Parisienne, 1965-1970 Strato-Chief, 1970-1970 TempestReplaces:Richmond Gear: 82-0384-1OE Aftermarket: 988488Motive Gear: G988488Important Installation Note:This gear set requires a 4.10 or numerically higher ratio carrier for proper installation. Be sure to confirm your vehicle’s specifications before proceeding with installation.Warranty: This Richmond Gear RP GM 8.875" 4.88 CAR PRO GEAR is backed by a 2-year or 100,000-mile warranty, ensuring that you can drive with confidence knowing your gear set is built to last.Upgrade your GM vehicle’s performance today with this premium Richmond Gear set!

  • Gear Set: Richmond Gear 79-0064-1 features a 4.88 gear ratio, designed for GM 8.875" 12 Bolt differentials, providing superior performance and durability.
  • Precision Engineered Components: Includes 9310 Stainless steel ring gear (39 teeth) and 8-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 to replace OE aftermarket 988488 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.
ASIN B003JBGLOG
Brand Richmond
Model 79-0064-1
Exterior Machined
Item Weight 16.7 pounds
Manufacturer Richmond Gear
OEM Part Number 79-0064-1
Item model number 79-0064-1
Manufacturer Part Number 79-0064-1
Is Discontinued By Manufacturer No

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