OS Motors Rear Adapter .15 CV-X

This is the replacement Back Adapter for the 15 CV-X engines.
This is the rear backplate of the engine.

FEATURES:
Aluminum construction
Brass insert

CONSISTS OF:
One Back Adapter

NEEDS:
Nothing. This is a direct replacement part.

SPECS:
Length: 48mm (1 7/8")
C.D. in between mounting holes(inside): 15.3mm (.61")
(outside): 29.4mm (1.16")
Inner size: 8mm (0.32")