This is a DU-BRO 1.08-1.20 Glow Engine Vibration Reducing Motor Mount.

FEATURES: Made of aluminum
Two-piece design allows for many different engine sizes to be mounted
Effectively reduces vibration/harmonics, greatly reducing airframe &
component fatigue
Simple & easy to install
Specially designed elastomerics (rubber mounting grommets) to absorb
vibration
Helps in airframe noise reduction

INCLUDES: One left half of mount Eight elastomerics
One right half of mount Four mounting screws
Eight spools Four blind nuts