This is an ajustable engine mount for 60 sized engines. According to Ernst this will even fit some .90 sized engines.

This Package Includes:
(1) Motor mount - This mount is made of black colored nylon. It uses an allen screw and nut to hold the 2 pieces of the mount together tight.
(4) Self tapping screws for mounting the motor to the mount.
(1) allen wrench for the allen screws on the adjustable mount.

Specifications:
Backplate:
Height: 2.66"
Width: From 2.44" to 2.71" (Remember its an adjustable mount)
Beams:
Length: 2.5" (from back of mount to end of beam)
1.49" (length of the mounting surface for the engine)
Mounting Width: 1.5" - 1.79" (From inside of beam to inside of beam)