Richmond Ring and Pinion - 3.73 Ratio - 30 Spline Pinion - 4 Series - Thin Gear - 8.875 in - GM 12-Bolt 12BC373

In stock
SKU: RIC12BC373
Ring and Pinion, 3.73 Ratio, 30 Spline Pinion, 4 Series, Thin Gear, 8.875 in, GM 12-Bolt, Kit
Regular price $218.99
Regular price Sale $234.85 Sale price $218.99
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EXCel drivetrain products are engineered to exceed OEM specifications by manufacturing to precise specifications in world-class factories, using the latest heat treatment technology, with extensive quality controls throughout.; Richmond Gear’s EXCel drivetrain products offer high-quality OEM replacement drivetrain products for your vehicle.; Richmond Gear’s EXCel line of ring and pinon gearsets provide Richmond quality at affordable prices.; All EXCel drivetrain products are backed by our one year warranty.; EXCel offers a broad line of ring and pinion gears, installation kits, and axle shafts to match most vehicles that are on the road today.

Excel’s broad line of original equipment automotive and light truck/SUV replacement ring and pinion gears, axles, and installation kits offer Richmond’s high OEM quality at affordable prices. The Excel product line covers the most popular vehicles on the road today.

Vehicle Applications:

  • 1965-1967 Chevrolet Malibu
  • 1967-1972 Pontiac Firebird
  • 1968-1969 Buick GS 400
  • 1971-1971 Oldsmobile 442
  • 1971-1972 Oldsmobile Cutlass
  • 1971-1972 Oldsmobile Cutlass Supreme
  • 1964-1972 Buick Sportwagon
  • 1965-1965 Oldsmobile Jetstar I
  • 1965-1966 Oldsmobile Jetstar 88
  • 1965-1968 Chevrolet Chevy II
  • 1965-1969 Pontiac Beaumont
  • 1965-1972 Pontiac GTO
  • 1965-1972 Pontiac LeMans
  • 1965-1972 Pontiac Parisienne
  • 1967-1970 Pontiac Executive
  • 1971-1972 Buick Centurion
  • 1965-1970 Chevrolet Bel Air
  • 1965-1972 Pontiac Bonneville
  • 1965-1972 Pontiac Laurentian
  • 1970-1972 Pontiac Grand Prix
  • 1971-1972 Buick LeSabre
  • 1965-1972 Chevrolet Impala
  • 1965-1972 Oldsmobile F85
  • 1967-1968 Oldsmobile Delmont 88
  • 1970-1972 Buick GS
  • 1971-1972 GMC Sprint
  • 1965-1969 Buick Special
  • 1965-1972 Oldsmobile Delta 88
  • 1967-1972 Chevrolet Camaro
  • 1970-1970 Pontiac Tempest
  • 1971-1972 Buick Estate Wagon
  • 1965-1970 Pontiac Strato-Chief
  • 1965-1971 Pontiac Acadian
  • 1965-1972 Chevrolet El Camino
  • 1965-1972 Oldsmobile 98
  • 1969-1972 Chevrolet Nova
  • 1971-1972 Pontiac Grand Safari
  • 1965-1972 Buick Electra
  • 1965-1972 Pontiac Catalina
  • 1966-1972 Chevrolet Caprice
  • 1971-1972 Buick Skylark
  • 1964-1973 Chevrolet Chevelle
  • 1965-1966 Oldsmobile Starfire
  • 1965-1967 Buick Gran Sport
  • 1967-1972 Oldsmobile Vista Cruiser
  • 1968-1969 Buick GS 350
  • 1970-1972 Buick GS 455
  • 1970-1972 Chevrolet Monte Carlo
  • 1971-1972 Pontiac Grandville
  • Excel’s broad line of original equipment automotive and light truck/SUV replacement ring and pinion gears, axles, and installation kits offer Richmond’s high OEM quality at affordable prices. The Excel product line covers the most popular vehicles on the road today.

    Richmond Gear is famed for their tough and reliable ring and pinion sets. That same level of reliability and precision is available in their other driveline products, including differentials, racing Transmissions, driveshaft components, and more. Racecars around the world rely on Richmond premium gearsets and Transmissions; your hotrod will run better than new with Richmond. We are proud to offer an unmatched selection of premium ring-and-pinion sets and Transmission components engineered manufactured to improve your vehicle’s performance. Richmond premium products are engineered to meet or exceed OEM specifications at a great value. Richmond ring and pinion gearsets are computer-controlled manufactured from the foundry, to cutting gears at 1,000th of an inch precision, to heat-treating the finished product. This consistently provides some of the strongest gears possible. Richmond’s “bulletproof” Transmissions are packed with power and speed. Their superior quality is a result of constant research, development, and extensive testing at our state-of-the-art facilities. Outstanding engineering design has made the Double Diamond gearing the winner at the track and on the street. Richmond drivers demand quality in their winning performances. Quality that is built into every Transmission and gear set that carries the Richmond name.

    Product Descripton:

  • Ring and Pinion
  • 3.73 Ratio
  • 30 Spline Pinion
  • 4 Series
  • Thin Gear
  • 8.875 in
  • GM 12-Bolt