Richmond Ring and Pinion - 3.73 Ratio - 30 Spline Pinion - 4 Series - Thin Gear - 8.875 in - GM 12-Bolt 12BC373 Chassis Stiffeners Part Number: 134-322

Part Number: 134-322

GM A-Body 1964-75

Offset is the distance from the mounting surface of the starter to the engine side of the ring gear

It is made from high-quality steel

Circuit board is encased in a clear two part silicone elastomer

Richmond Ring and Pinion - 3.73 Ratio - 30 Spline Pinion - 4 Series - Thin Gear - 8.875 in - GM 12-Bolt 12BC373 Chassis Stiffeners Part Number: 134-322EXCel 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 Gears EXCel drivetrain products offer high quality OEM replacement drivetrain products for your vehicle.; Richmond Gears EXCel line of ring and pinon gearsets provide Richmond quality at affordable prices.; All EXCel