Richmond Ring and Pinion - 3.73 Ratio - 30 Spline Pinion - 4 Series - Thin Gear - 8.875 in - GM 12-Bolt 12BC373 Chassis Stiffeners Kit features pro version electric

Kit features pro version electric valve with 1/2" NPT female thread in and out ports and a built-in 1/4" NPT pressure sensor portCanton Racing Products has been a leader in high performance oil pans

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

five fused accessory switches and six pilot lights

Polyurethane bushings replace the soft factory rubber bushings

Part Number: 134-322

Richmond Ring and Pinion - 3.73 Ratio - 30 Spline Pinion - 4 Series - Thin Gear - 8.875 in - GM 12-Bolt 12BC373 Chassis Stiffeners Kit features pro version electricEXCel 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