GM 10.5"-14 Bolt 4.88 Ratio Ring Gear & Pinion
GM 10.5"-14 Bolt 5.13 Ratio Ring Gear & Pinion
GM 10.5"-14 Bolt 5.38 Ratio Ring Gear & Pinion
GM 8.5"/8.6" - 10 Bolt 3.73:1 Ratio Ring Gear & Pinion
GM 8.5"/8.6" - 10 Bolt 4.56:1 Ratio Ring Gear & Pinion
GM 8.5"/8.6" - 10 Bolt 4.10:1 Ratio Ring Gear & Pinion
GM 8.5"/8.6" - 10 Bolt 3.42:1 Ratio Ring Gear & Pinion