Pues que ya los tienen tambien los señores de HK.
Scorpion Motor Mount Conversion Kit Hirobo Eagle 3 (25mm Spacing)
This new motor mount conversion kit is designed for modelers who wish to convert carbon version of HIROBO Eagle3 - WC from Glow to Electric using the Scorpion HK4035 series motors.
This kit is only for HIROBO Eagle3 - WC.
This kit cannot be used in HKIII-4035 series motor.
http://www.hobbyking.com/hobbycity/store/__17402__Scorpion_Motor_Mount_Conversion_Kit_Hirobo_Eagle_3_25mm_Spacing_.html Scorpion Motor Mount Conversion Kit Hirobo Eagle 3 (30mm Spacing)
This new motor mount conversion kit is designed for modelers who wish to convert carbon version of HIROBO Eagle3 - WC from Glow to Electric using Scorpion HK5020 & HK5025 series motors.
This kit is only for HIROBO Eagle3 - WC.
This kit cannot be used in HKIII-4035 series motor.
http://www.hobbyking.com/hobbycity/store/__17403__Scorpion_Motor_Mount_Conversion_Kit_Hirobo_Eagle_3_30mm_Spacing_.html