Hacker Damped Brackets ( Stand Off) with Spacer Bolts for Electric Drives and Combustion Engines 10108411Hacker Damped Brackets with Spacer Bolts for Electric Drives and Combustion Engines 10108411 Damped brackets with spacer bolts for electric drives and combustion engines Brackets with rubber damping for installing an electric motors or combustion engines into the R C model. The motor mount can be screwed onto the four rubber dampers on the head frame. The bracket consists of turned flanges and foot plates, which form a unit when plugged together with