Richmond 3.90 63-79 Corvette 49-0031-1

Richmond 3.08 63-79 Corvette 49-0097-1Ring and Pinion - 3.08 Ratio - 30 Spline Pinion - 8.2 in - GM 8-Bolt - Kit

Richmond 5.57 12 Bolt Gm Pass 79-0031-1Ring and Pinion - Pro Gear - 5.57 Ratio - 30 Spline Pinion - 4 Series - 8.875 in - GM 12-Bolt - Kit

Richmond 3.90 12 Bolt Gm Pass 49-0040-1Ring and Pinion - 3.90 Ratio - 30 Spline Pinion - 3 Series - Thick Gear - 8.875 in - GM 12-Bolt - Kit

Richmond 3.90 8.5In 10 Bolt Gm 49-0034-1Ring and Pinion - 3.90 Ratio - 30 Spline Pinion - 3 Series - 8.5 in / 8.625 in - GM 10-Bolt - Kit

Richmond 63-79 Vette Instal. Kit 83-1024-1Differential Installation Kit - Bearings / Crush Sleeve / Gaskets / Hardware / Seals / Shims / Thread Locker - GM 12-Bolt - Kit