There are 30 choices

• SILVERADO 1500 PICKUP
  • 4.3L
    • (8.6" ring gear, 10 bolt)
      • 3.23 ratio (opt GU5)
        • (4x2)
      • 3.42 ratio (opt GU6)
        • (4x4)
  • 5.3L
    • 3.08 ratio (opt GU4)
      • (9.5" ring gear)
    • 3.23 ratio (opt GU5)
      • (9.75" ring gear)
    • 3.42 ratio (opt GU6)
      • 9.5" ring gear
      • 9.75" ring gear (opt NHT)
    • 3.73 ratio (opt GT4)
      • (9.75" ring gear)
  • 6.2L
    • (9.75" ring gear)
      • 3.23 ratio (opt GU5)
      • 3.42 ratio (opt GU6)
      • 3.73 ratio (opt GT4)
• SILVERADO 2500 PICKUP
  • fill plug inner cover
    • (11.50" ring gear)
      • 3.73 ratio (opt GT4)
      • 4.10 ratio (opt GT5)
  • Without fill plug inner cover
    • (10.50" ring gear)
      • 3.73 ratio (opt GT4)
      • 4.10 ratio (opt GT5)
• SILVERADO 3500 PICKUP
  • model year break point (opt AVF)
    • dual rear wheels
      • Chassis Cab
        • Without wide track
          • 3.73 ratio (opt GT4)
          • 4.10 ratio (opt GT5)
        • wide track (opt GTY)
          • 3.73 ratio (opt GT4)
          • 4.10 ratio (opt GT5)
      • Excluding Chassis Cab
        • 3.73 ratio (opt GT4)
        • 4.10 ratio (opt GT5)
    • single rear wheels
      • 3.73 ratio (opt GT4)
      • 4.10 ratio (opt GT5)
  • Without model year break point
    • dual rear wheels
      • Chassis Cab
        • Without wide track
          • 3.73 ratio (opt GT4)
          • 4.10 ratio (opt GT5)
        • wide track (opt GTY)
          • 3.73 ratio (opt GT4)
          • 4.10 ratio (opt GT5)
      • Excluding Chassis Cab
        • 3.73 ratio (opt GT4)
        • 4.10 ratio (opt GT5)
    • single rear wheels
      • 3.73 ratio (opt GT4)
      • 4.10 ratio (opt GT5)