Our ESC Cage for the Castle Cobra 8 ESC provides a solid, positive mount to keep your new and valuable ESC in place even under the most extreme circumstances. Check out this list of features built into each RPM ESC Cage: - Solid mount without using adhesives or zip-ties. - The ESC can be run with or without a fan. - Air channels along the sides allow air movement for better cooling. - Installation and maintenance simplification. - Easy swaps of the ESC between vehicles. - Integrated On / Off switch mount. - Rolled cage edge so no sharp edges come into contact with your motor wires. - Integrated stock Cable-Tidy Clip mount. - Manufactured from our ridiculously tough blend of engineering grade nylons. - Backed by our limited lifetime warranty against breakage. Don't trust your investment to double-sided tape or zip ties. One fail and your ESC will eject like a bullet from a gun! Trust a name you've known for decades for bulletproof protection - RPM! Tech Notes: The RPM ESC Cage for the Cobra 8 ESC is designed to replace the stock ESC Mounting Plate ARRMA #AR320430 Our ESC Cage works with the following Castle part numbers: 010-0172-00, 010-0172-01, 010-0172-02, 010-0172-03 and 010-0172-04. While our ESC Cage will fit a variety of applications, they have been tested and guaranteed to fit the following ARRMA 6S vehicles in stock form only - Kraton, Mojave, Notorious, Talion, and Typhon that use the #AR320430 stock mounting plate. While the Fireteam uses the same stock mounting plate, space restrictions may prevent our ESC Cage from bolting to the chassis properly