The entire Scorpion S-55mm motors series include a cross style back plate mount, but occasionally, you need a spare or a replacement. The Scorpion 55mm Cross Mount is designed to fit the back of the Scorpion S-55 series motors and provide a method on mounting the motor to a model's firewall.
The Scorpion 55mm Cross Mount is made from strong aluminum alloy and finished in a durable and attractive black Electro-Coat finish. The mount comes packaged with four 4mm machine screws to attach it to the back of your motor. The mount come with with the 4 screws. The hole spacing on the back of the mount where the motor attaches measures 31mm center to center in both directions. The spacing of the outer holes is a square pattern that measures 63mm side to side and 90mm on the diagonal.