Check the listing for details. Jevries V2 Ultra Fast Superpumps Servo. Condition: New. Listed at 139.99 USD. The BEST HOPPER SERVO in the Game only got Better with a NEWLY developed Ultra Fast brushless motor to make your RC Lowrider hit harder than ever before! The ULTRA FAST pro-series Superpump has a crazy amount of speed and torque of 43KG 0.055sec at 8.4V and can be used as 12V as well without running hot. The NEWLY Developed ULTRA FAST Brushless motor delivers ultra torque and highest durability, more efficiency for faster response. Extremely tough and durable. Build to Last. NOTE: - These super fast and strong servo's are for EXPERIENCED users only! - Always adjust the endpionts first prior to connecting the links and mounting the servo horns to make sure there's no binding (humming noise). For Best results you need the Jevries 20A BEC set at max. 9V and 3S lipo battery. Powered by AGFRC! Specs: Voltage: 7.4V- 8.