This is the Great Planes ElectriFly Power System Brushless Motor Mount. This attaches to the firewall and the electric motor attaches to this mount.
FEATURES: Direct replacement for the Great Planes GPMG1101 1.20-1.80 cu in (20-30cc) glow mount Perfect fit for 63mm RimFire, Outrunner motors Universal motor mounting bolt pattern insures an easy fit with any brand of motor Lightweight aluminum construction for added durability Unlimited adjustability from 3.5-4.6" (89-117mm)
INCLUDES: One motor support for extra large motors All assembly hardware
REQUIRES: Mounting to the firewall and attaching the motor
SPECS: Length: 3.56" (90.5mm) Width: 3.09" (18.5mm) Height: 2.56" (90.5mm) Weight: 5.1oz (145g) Mounting hole dimensions: 1.94"x1.94"(49.3x49.3mm)