Part No.: 300054968 Description: M-08 Aluminum Motor Bridge/Chassis Connector. Upgrade your M-08 Concept RWD chassis with the addition of this aluminum motor bridge, which promises a firmer rear, and also lets you mount a cooling fan. Item Contents/Information - M-08 Aluminum Motor Bridge x1 - This aluminum component replaces the kit-standard plastic K3 part that connects the gearbox to the battery pack position. - Features the iconic Tamiya blue anodized finish. - Has holes to mount fans such as separately sold Item 45063 TFU-01 ESC Cooling Fan Unit. - Compatible with M-08 Concept chassis cars.