The aluminum water cooling jacket is designed to allow water to come in direct contact with the motor and flow around it, allowing maximum cooling. Includes large o-rings to allow a large amount of water into the jacket to cool the motor. Available in Silver, Black or RedFits: SSS 4074/4082/4092, Leopard 4074/4082/4092, & TP Power 4050/4060/4070 Specs Length: 50mm long (1.97")Diameter: 48mm (1.89")Fitting thread size: 5mm thread**Motor not included.**
