Duramax Plus Package

Duramax® Plus Package

Includes:

  • Duramax® 6.6L Turbo Diesel V8 engine
  • Allison 1000 6-speed automatic transmission
  • 3.73 rear axle ratio
  • Engine block heater
  • Chrome recovery hooks
  • On 2500 Denali outside memory equipped heated power-adjustable vertical trailering mirrors