How is Blackhawk different from other upgrades or overhaul?

In addition to worldwide product support and product branding, Blackhawk XP Engine+ Upgrades offer the following benefits:

• Listings
  in Jetnet, AMSTAT, Aircraft Bluebook, and Vref
  
• Worldwide
  market acceptance with the largest installed fleet of upgraded
  corporate size turboprop aircraft in the world
  
• Full
  customer support department with on-staff technical support
  technician, customer service representative, and worldwide
  distribution and service center network
  
• The
  strongest resale value of any engine upgrade on the market
  
• Approval
  by the FAA (United States), EASA (Europe), DGAC (Brazil)