Richmond Ring and Pinion - 3.73 Ratio - 30 Spline Pinion - 3 Series - 8.875 in - GM 12-Bolt 12BC373T H778C31 Single Non-Roller

Single Non-Roller

Two 10 AN Female O-Ring Inlets

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It’s IP67-rated for water-resistance

Richmond Ring and Pinion - 3.73 Ratio - 30 Spline Pinion - 3 Series - 8.875 in - GM 12-Bolt 12BC373T H778C31 Single Non-RollerEXCel 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